diff --git a/bookshop/@types/_/index.js b/bookshop/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/bookshop/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/bookshop/@types/_/index.ts b/bookshop/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/bookshop/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/bookshop/@types/index.js b/bookshop/@types/index.js
new file mode 100644
index 00000000..ec7b888a
--- /dev/null
+++ b/bookshop/@types/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('')
\ No newline at end of file
diff --git a/bookshop/@types/index.ts b/bookshop/@types/index.ts
new file mode 100644
index 00000000..b21d20ca
--- /dev/null
+++ b/bookshop/@types/index.ts
@@ -0,0 +1,57 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_common from './sap/common';
+import * as __ from './_';
+
+export type Language = __.Association.to<_sap_common.Language>;
+export type Currency = __.Association.to<_sap_common.Currency>;
+export type Country = __.Association.to<_sap_common.Country>;
+export type User = string;
+
+
+// the following represents the CDS aspect 'cuid'
+export function cuid<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class cuidAspect extends Base {
+    ID: string;
+  };
+}
+const cuidXtended = cuid(__.Entity)
+export type cuid = InstanceType<typeof cuidXtended>
+
+// the following represents the CDS aspect 'managed'
+export function managed<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class managedAspect extends Base {
+    createdAt: Date;
+    /**
+    * Canonical user ID
+    */
+    createdBy: User;
+    modifiedAt: Date;
+    /**
+    * Canonical user ID
+    */
+    modifiedBy: User;
+  };
+}
+const managedXtended = managed(__.Entity)
+export type managed = InstanceType<typeof managedXtended>
+
+// the following represents the CDS aspect 'temporal'
+export function temporal<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class temporalAspect extends Base {
+    validFrom: Date;
+    validTo: Date;
+  };
+}
+const temporalXtended = temporal(__.Entity)
+export type temporal = InstanceType<typeof temporalXtended>
+
+// the following represents the CDS aspect 'extensible'
+export function extensible<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class extensibleAspect extends Base {
+    extensions__: string;
+  };
+}
+const extensibleXtended = extensible(__.Entity)
+export type extensible = InstanceType<typeof extensibleXtended>
+
+
diff --git a/bookshop/@types/sap/capire/bookshop/index.js b/bookshop/@types/sap/capire/bookshop/index.js
new file mode 100644
index 00000000..e1714d25
--- /dev/null
+++ b/bookshop/@types/sap/capire/bookshop/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.bookshop')
+module.exports.Book = cson.Books
+module.exports.Books = cson.Books
+module.exports.Author = cson.Authors
+module.exports.Authors = cson.Authors
+module.exports.Genre = cson.Genres
+module.exports.Genres = cson.Genres
\ No newline at end of file
diff --git a/bookshop/@types/sap/capire/bookshop/index.ts b/bookshop/@types/sap/capire/bookshop/index.ts
new file mode 100644
index 00000000..f0ee6e6e
--- /dev/null
+++ b/bookshop/@types/sap/capire/bookshop/index.ts
@@ -0,0 +1,66 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _ from './../../..';
+import * as _sap_common from './../../common';
+
+
+
+
+
+export function Book<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class BookAspect extends Base {
+    ID: number;
+    title: string;
+    descr: string;
+    author: __.Association.to<Author>;
+    genre: __.Association.to<Genre>;
+    stock: number;
+    price: number;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+    image: string;
+  };
+}
+const BookXtended = _.managed(Book(__.Entity))
+export type Book = InstanceType<typeof BookXtended>
+
+export class Books extends Array<Book> {
+}
+
+export function Author<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class AuthorAspect extends Base {
+    ID: number;
+    name: string;
+    dateOfBirth: Date;
+    dateOfDeath: Date;
+    placeOfBirth: string;
+    placeOfDeath: string;
+    books: __.Association.to.many<Books>;
+  };
+}
+const AuthorXtended = _.managed(Author(__.Entity))
+export type Author = InstanceType<typeof AuthorXtended>
+
+export class Authors extends Array<Author> {
+}
+
+/**
+* Hierarchically organized Code List for Genres
+*/
+export function Genre<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class GenreAspect extends Base {
+    ID: number;
+    parent: __.Association.to<Genre>;
+    children: __.Composition.of.many<Genres>;
+  };
+}
+const GenreXtended = _sap_common.CodeList(Genre(__.Entity))
+export type Genre = InstanceType<typeof GenreXtended>
+
+export class Genres extends Array<Genre> {
+}
+
diff --git a/bookshop/@types/sap/common/index.js b/bookshop/@types/sap/common/index.js
new file mode 100644
index 00000000..46d0912b
--- /dev/null
+++ b/bookshop/@types/sap/common/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common')
+module.exports.Language = cson.Languages
+module.exports.Languages = cson.Languages
+module.exports.Country = cson.Countries
+module.exports.Countries = cson.Countries
+module.exports.Currency = cson.Currencies
+module.exports.Currencies = cson.Currencies
\ No newline at end of file
diff --git a/bookshop/@types/sap/common/index.ts b/bookshop/@types/sap/common/index.ts
new file mode 100644
index 00000000..e88b2f92
--- /dev/null
+++ b/bookshop/@types/sap/common/index.ts
@@ -0,0 +1,68 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../_';
+
+export type Locale = string;
+
+
+// the following represents the CDS aspect 'CodeList'
+export function CodeList<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CodeListAspect extends Base {
+    name: string;
+    descr: string;
+  };
+}
+const CodeListXtended = CodeList(__.Entity)
+export type CodeList = InstanceType<typeof CodeListXtended>
+
+/**
+* Code list for languages
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommonlanguages
+*/
+export function Language<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LanguageAspect extends Base {
+    /**
+    * Type for a language code
+    */
+    code: Locale;
+  };
+}
+const LanguageXtended = CodeList(Language(__.Entity))
+export type Language = InstanceType<typeof LanguageXtended>
+
+export class Languages extends Array<Language> {
+}
+
+/**
+* Code list for countries
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncountries
+*/
+export function Country<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CountryAspect extends Base {
+    code: string;
+  };
+}
+const CountryXtended = CodeList(Country(__.Entity))
+export type Country = InstanceType<typeof CountryXtended>
+
+export class Countries extends Array<Country> {
+}
+
+/**
+* Code list for currencies
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncurrencies
+*/
+export function Currency<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CurrencyAspect extends Base {
+    code: string;
+    symbol: string;
+  };
+}
+const CurrencyXtended = CodeList(Currency(__.Entity))
+export type Currency = InstanceType<typeof CurrencyXtended>
+
+export class Currencies extends Array<Currency> {
+}
+
diff --git a/bookshop/jsconfig.json b/bookshop/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/bookshop/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/bookstore/@types/AdminService/index.js b/bookstore/@types/AdminService/index.js
new file mode 100644
index 00000000..c08b4c49
--- /dev/null
+++ b/bookstore/@types/AdminService/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('AdminService')
+module.exports.Book = cson.Books
+module.exports.Books = cson.Books
+module.exports.Author = cson.Authors
+module.exports.Authors = cson.Authors
\ No newline at end of file
diff --git a/bookstore/@types/AdminService/index.ts b/bookstore/@types/AdminService/index.ts
new file mode 100644
index 00000000..43e3dae3
--- /dev/null
+++ b/bookstore/@types/AdminService/index.ts
@@ -0,0 +1,54 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_bookshop from './../sap/capire/bookshop';
+import * as __ from './../_';
+import * as _ from './..';
+import * as _ReviewsService from './../ReviewsService';
+
+
+
+
+
+export function Book<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class BookAspect extends Base {
+    ID: number;
+    title: string;
+    descr: string;
+    author: __.Association.to<_sap_capire_bookshop.Author>;
+    genre: __.Association.to<_sap_capire_bookshop.Genre>;
+    stock: number;
+    price: number;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+    image: string;
+    reviews: __.Composition.of.many<_ReviewsService.Reviews>;
+    rating: number;
+    numberOfReviews: number;
+  };
+}
+const BookXtended = _.managed(Book(__.Entity))
+export type Book = InstanceType<typeof BookXtended>
+
+export class Books extends Array<Book> {
+}
+
+export function Author<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class AuthorAspect extends Base {
+    ID: number;
+    name: string;
+    dateOfBirth: Date;
+    dateOfDeath: Date;
+    placeOfBirth: string;
+    placeOfDeath: string;
+    books: __.Association.to.many<_sap_capire_bookshop.Books>;
+  };
+}
+const AuthorXtended = _.managed(Author(__.Entity))
+export type Author = InstanceType<typeof AuthorXtended>
+
+export class Authors extends Array<Author> {
+}
+
diff --git a/bookstore/@types/CatalogService/index.js b/bookstore/@types/CatalogService/index.js
new file mode 100644
index 00000000..86b5cace
--- /dev/null
+++ b/bookstore/@types/CatalogService/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('CatalogService')
+module.exports.ListOfBook = cson.ListOfBooks
+module.exports.ListOfBooks = cson.ListOfBooks
+module.exports.Book = cson.Books
+module.exports.Books = cson.Books
\ No newline at end of file
diff --git a/bookstore/@types/CatalogService/index.ts b/bookstore/@types/CatalogService/index.ts
new file mode 100644
index 00000000..2b228242
--- /dev/null
+++ b/bookstore/@types/CatalogService/index.ts
@@ -0,0 +1,72 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_bookshop from './../sap/capire/bookshop';
+import * as __ from './../_';
+import * as _ from './..';
+import * as _ReviewsService from './../ReviewsService';
+
+
+
+
+
+/**
+* For displaying lists of Books
+*/
+export function ListOfBook<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ListOfBookAspect extends Base {
+    ID: number;
+    title: string;
+    descr: string;
+    author: __.Association.to<_sap_capire_bookshop.Author>;
+    genre: __.Association.to<_sap_capire_bookshop.Genre>;
+    stock: number;
+    price: number;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+    image: string;
+    reviews: __.Composition.of.many<_ReviewsService.Reviews>;
+    rating: number;
+    numberOfReviews: number;
+  };
+}
+const ListOfBookXtended = _.managed(ListOfBook(__.Entity))
+export type ListOfBook = InstanceType<typeof ListOfBookXtended>
+
+export class ListOfBooks extends Array<ListOfBook> {
+}
+
+/**
+* For display in details pages
+*/
+export function Book<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class BookAspect extends Base {
+    ID: number;
+    title: string;
+    descr: string;
+    author: __.Association.to<_sap_capire_bookshop.Author>;
+    genre: __.Association.to<_sap_capire_bookshop.Genre>;
+    stock: number;
+    price: number;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+    image: string;
+    reviews: __.Composition.of.many<_ReviewsService.Reviews>;
+    rating: number;
+    numberOfReviews: number;
+  };
+}
+const BookXtended = _.managed(Book(__.Entity))
+export type Book = InstanceType<typeof BookXtended>
+
+export class Books extends Array<Book> {
+}
+
+// action
+export declare const submitOrder: (book: Books, quantity: number) => {};
\ No newline at end of file
diff --git a/bookstore/@types/DataService/index.js b/bookstore/@types/DataService/index.js
new file mode 100644
index 00000000..e6cdbfe4
--- /dev/null
+++ b/bookstore/@types/DataService/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('DataService')
+module.exports.Entity = cson.Entities
+module.exports.Entities = cson.Entities
+module.exports.Data = cson.Data
+module.exports.Data_ = cson.Data
\ No newline at end of file
diff --git a/bookstore/@types/DataService/index.ts b/bookstore/@types/DataService/index.ts
new file mode 100644
index 00000000..8fedb40d
--- /dev/null
+++ b/bookstore/@types/DataService/index.ts
@@ -0,0 +1,40 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../_';
+
+
+
+
+
+/**
+* Metadata like name and columns/elements
+*/
+export function Entity<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class EntityAspect extends Base {
+    name: string;
+    columns: {
+    name: string;
+    type: string;
+    isKey: boolean;
+  };
+  };
+}
+const EntityXtended = Entity(__.Entity)
+export type Entity = InstanceType<typeof EntityXtended>
+
+export class Entities extends Array<Entity> {
+}
+
+/**
+* The actual data, organized by column name
+*/
+export function Data<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class DataAspect extends Base {
+    record: {};
+  };
+}
+const DataXtended = Data(__.Entity)
+export type Data = InstanceType<typeof DataXtended>
+
+export class Data_ extends Array<Data> {
+}
+
diff --git a/bookstore/@types/OrdersService/index.js b/bookstore/@types/OrdersService/index.js
new file mode 100644
index 00000000..c98182cd
--- /dev/null
+++ b/bookstore/@types/OrdersService/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('OrdersService')
+module.exports.Order = cson.Orders
+module.exports.Orders = cson.Orders
\ No newline at end of file
diff --git a/bookstore/@types/OrdersService/index.ts b/bookstore/@types/OrdersService/index.ts
new file mode 100644
index 00000000..3c0fcf2a
--- /dev/null
+++ b/bookstore/@types/OrdersService/index.ts
@@ -0,0 +1,39 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_orders from './../sap/capire/orders';
+import * as __ from './../_';
+import * as _sap_capire_bookshop from './../sap/capire/bookshop';
+import * as _ from './..';
+
+
+
+
+
+export function Order<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class OrderAspect extends Base {
+    OrderNo: string;
+    Items: {
+    ID: string;
+    product: __.Association.to<_sap_capire_orders.Product>;
+    quantity: number;
+    title: string;
+    price: number;
+    book: __.Association.to<_sap_capire_bookshop.Book>;
+  };
+    /**
+    * Canonical user ID
+    */
+    buyer: _.User;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+  };
+}
+const OrderXtended = _.cuid(_.managed(Order(__.Entity)))
+export type Order = InstanceType<typeof OrderXtended>
+
+export class Orders extends Array<Order> {
+}
+
diff --git a/bookstore/@types/ReviewsService/index.js b/bookstore/@types/ReviewsService/index.js
new file mode 100644
index 00000000..3fb7d97a
--- /dev/null
+++ b/bookstore/@types/ReviewsService/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('ReviewsService')
+module.exports.Review = cson.Reviews
+module.exports.Reviews = cson.Reviews
\ No newline at end of file
diff --git a/bookstore/@types/ReviewsService/index.ts b/bookstore/@types/ReviewsService/index.ts
new file mode 100644
index 00000000..c61105bf
--- /dev/null
+++ b/bookstore/@types/ReviewsService/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_reviews from './../sap/capire/reviews';
+import * as _ from './..';
+import * as __ from './../_';
+
+
+
+
+
+export function Review<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ReviewAspect extends Base {
+    ID: string;
+    subject: _sap_capire_reviews.ReviewedSubject;
+    /**
+    * Canonical user ID
+    */
+    reviewer: _.User;
+    rating: _sap_capire_reviews.Rating;
+    title: string;
+    text: string;
+    date: Date;
+    likes: __.Composition.of.many<_sap_capire_reviews.Likes>;
+    liked: number;
+  };
+}
+const ReviewXtended = Review(__.Entity)
+export type Review = InstanceType<typeof ReviewXtended>
+
+export class Reviews extends Array<Review> {
+}
+
+// action
+export declare const like: (review: Reviews) => {};
+// action
+export declare const unlike: (review: Reviews) => {};
\ No newline at end of file
diff --git a/bookstore/@types/_/index.js b/bookstore/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/bookstore/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/bookstore/@types/_/index.ts b/bookstore/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/bookstore/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/bookstore/@types/index.js b/bookstore/@types/index.js
new file mode 100644
index 00000000..ec7b888a
--- /dev/null
+++ b/bookstore/@types/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('')
\ No newline at end of file
diff --git a/bookstore/@types/index.ts b/bookstore/@types/index.ts
new file mode 100644
index 00000000..b21d20ca
--- /dev/null
+++ b/bookstore/@types/index.ts
@@ -0,0 +1,57 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_common from './sap/common';
+import * as __ from './_';
+
+export type Language = __.Association.to<_sap_common.Language>;
+export type Currency = __.Association.to<_sap_common.Currency>;
+export type Country = __.Association.to<_sap_common.Country>;
+export type User = string;
+
+
+// the following represents the CDS aspect 'cuid'
+export function cuid<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class cuidAspect extends Base {
+    ID: string;
+  };
+}
+const cuidXtended = cuid(__.Entity)
+export type cuid = InstanceType<typeof cuidXtended>
+
+// the following represents the CDS aspect 'managed'
+export function managed<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class managedAspect extends Base {
+    createdAt: Date;
+    /**
+    * Canonical user ID
+    */
+    createdBy: User;
+    modifiedAt: Date;
+    /**
+    * Canonical user ID
+    */
+    modifiedBy: User;
+  };
+}
+const managedXtended = managed(__.Entity)
+export type managed = InstanceType<typeof managedXtended>
+
+// the following represents the CDS aspect 'temporal'
+export function temporal<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class temporalAspect extends Base {
+    validFrom: Date;
+    validTo: Date;
+  };
+}
+const temporalXtended = temporal(__.Entity)
+export type temporal = InstanceType<typeof temporalXtended>
+
+// the following represents the CDS aspect 'extensible'
+export function extensible<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class extensibleAspect extends Base {
+    extensions__: string;
+  };
+}
+const extensibleXtended = extensible(__.Entity)
+export type extensible = InstanceType<typeof extensibleXtended>
+
+
diff --git a/bookstore/@types/sap/capire/bookshop/index.js b/bookstore/@types/sap/capire/bookshop/index.js
new file mode 100644
index 00000000..e1714d25
--- /dev/null
+++ b/bookstore/@types/sap/capire/bookshop/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.bookshop')
+module.exports.Book = cson.Books
+module.exports.Books = cson.Books
+module.exports.Author = cson.Authors
+module.exports.Authors = cson.Authors
+module.exports.Genre = cson.Genres
+module.exports.Genres = cson.Genres
\ No newline at end of file
diff --git a/bookstore/@types/sap/capire/bookshop/index.ts b/bookstore/@types/sap/capire/bookshop/index.ts
new file mode 100644
index 00000000..c9b358e9
--- /dev/null
+++ b/bookstore/@types/sap/capire/bookshop/index.ts
@@ -0,0 +1,70 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _ from './../../..';
+import * as _ReviewsService from './../../../ReviewsService';
+import * as _sap_common from './../../common';
+
+
+
+
+
+export function Book<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class BookAspect extends Base {
+    ID: number;
+    title: string;
+    descr: string;
+    author: __.Association.to<Author>;
+    genre: __.Association.to<Genre>;
+    stock: number;
+    price: number;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+    image: string;
+    reviews: __.Composition.of.many<_ReviewsService.Reviews>;
+    rating: number;
+    numberOfReviews: number;
+  };
+}
+const BookXtended = _.managed(Book(__.Entity))
+export type Book = InstanceType<typeof BookXtended>
+
+export class Books extends Array<Book> {
+}
+
+export function Author<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class AuthorAspect extends Base {
+    ID: number;
+    name: string;
+    dateOfBirth: Date;
+    dateOfDeath: Date;
+    placeOfBirth: string;
+    placeOfDeath: string;
+    books: __.Association.to.many<Books>;
+  };
+}
+const AuthorXtended = _.managed(Author(__.Entity))
+export type Author = InstanceType<typeof AuthorXtended>
+
+export class Authors extends Array<Author> {
+}
+
+/**
+* Hierarchically organized Code List for Genres
+*/
+export function Genre<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class GenreAspect extends Base {
+    ID: number;
+    parent: __.Association.to<Genre>;
+    children: __.Composition.of.many<Genres>;
+  };
+}
+const GenreXtended = _sap_common.CodeList(Genre(__.Entity))
+export type Genre = InstanceType<typeof GenreXtended>
+
+export class Genres extends Array<Genre> {
+}
+
diff --git a/bookstore/@types/sap/capire/orders/index.js b/bookstore/@types/sap/capire/orders/index.js
new file mode 100644
index 00000000..1b441782
--- /dev/null
+++ b/bookstore/@types/sap/capire/orders/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.orders')
+module.exports.Order = cson.Orders
+module.exports.Orders = cson.Orders
+module.exports.Product = cson.Products
+module.exports.Products = cson.Products
\ No newline at end of file
diff --git a/bookstore/@types/sap/capire/orders/index.ts b/bookstore/@types/sap/capire/orders/index.ts
new file mode 100644
index 00000000..fba0ede4
--- /dev/null
+++ b/bookstore/@types/sap/capire/orders/index.ts
@@ -0,0 +1,52 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _sap_capire_bookshop from './../bookshop';
+import * as _ from './../../..';
+
+
+
+
+
+export function Order<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class OrderAspect extends Base {
+    OrderNo: string;
+    Items: {
+    ID: string;
+    product: __.Association.to<Product>;
+    quantity: number;
+    title: string;
+    price: number;
+    book: __.Association.to<_sap_capire_bookshop.Book>;
+  };
+    /**
+    * Canonical user ID
+    */
+    buyer: _.User;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+  };
+}
+const OrderXtended = _.cuid(_.managed(Order(__.Entity)))
+export type Order = InstanceType<typeof OrderXtended>
+
+export class Orders extends Array<Order> {
+}
+
+/**
+* This is a stand-in for arbitrary ordered Products
+*/
+export function Product<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ProductAspect extends Base {
+    ID: string;
+  };
+}
+const ProductXtended = Product(__.Entity)
+export type Product = InstanceType<typeof ProductXtended>
+
+export class Products extends Array<Product> {
+}
+
diff --git a/bookstore/@types/sap/capire/reviews/index.js b/bookstore/@types/sap/capire/reviews/index.js
new file mode 100644
index 00000000..fef77aa7
--- /dev/null
+++ b/bookstore/@types/sap/capire/reviews/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.reviews')
+module.exports.Review = cson.Reviews
+module.exports.Reviews = cson.Reviews
+module.exports.Like = cson.Likes
+module.exports.Likes = cson.Likes
\ No newline at end of file
diff --git a/bookstore/@types/sap/capire/reviews/index.ts b/bookstore/@types/sap/capire/reviews/index.ts
new file mode 100644
index 00000000..6a23e13e
--- /dev/null
+++ b/bookstore/@types/sap/capire/reviews/index.ts
@@ -0,0 +1,51 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _ from './../../..';
+import * as __ from './../../../_';
+
+export type ReviewedSubject = string;
+export enum Rating {
+  Best = 5,
+  Good = 4,
+  Avg = 3,
+  Poor = 2,
+  Worst = 1,
+}
+
+
+export function Review<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ReviewAspect extends Base {
+    ID: string;
+    subject: ReviewedSubject;
+    /**
+    * Canonical user ID
+    */
+    reviewer: _.User;
+    rating: Rating;
+    title: string;
+    text: string;
+    date: Date;
+    likes: __.Composition.of.many<Likes>;
+    liked: number;
+  };
+}
+const ReviewXtended = Review(__.Entity)
+export type Review = InstanceType<typeof ReviewXtended>
+
+export class Reviews extends Array<Review> {
+}
+
+export function Like<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LikeAspect extends Base {
+    review: __.Association.to<Review>;
+    /**
+    * Canonical user ID
+    */
+    user: _.User;
+  };
+}
+const LikeXtended = Like(__.Entity)
+export type Like = InstanceType<typeof LikeXtended>
+
+export class Likes extends Array<Like> {
+}
+
diff --git a/bookstore/@types/sap/common/countries/index.js b/bookstore/@types/sap/common/countries/index.js
new file mode 100644
index 00000000..0f7ec90e
--- /dev/null
+++ b/bookstore/@types/sap/common/countries/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common.countries')
+module.exports.Region = cson.Regions
+module.exports.Regions = cson.Regions
+module.exports.City = cson.Cities
+module.exports.Cities = cson.Cities
+module.exports.District = cson.Districts
+module.exports.Districts = cson.Districts
\ No newline at end of file
diff --git a/bookstore/@types/sap/common/countries/index.ts b/bookstore/@types/sap/common/countries/index.ts
new file mode 100644
index 00000000..352cd25a
--- /dev/null
+++ b/bookstore/@types/sap/common/countries/index.ts
@@ -0,0 +1,47 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _sap_common from './..';
+
+
+
+
+
+export function Region<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class RegionAspect extends Base {
+    code: string;
+    children: __.Composition.of.many<Regions>;
+    cities: __.Composition.of.many<Cities>;
+    _parent: string;
+  };
+}
+const RegionXtended = _sap_common.CodeList(Region(__.Entity))
+export type Region = InstanceType<typeof RegionXtended>
+
+export class Regions extends Array<Region> {
+}
+
+export function City<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CityAspect extends Base {
+    code: string;
+    region: __.Association.to<Region>;
+    districts: __.Composition.of.many<Districts>;
+  };
+}
+const CityXtended = _sap_common.CodeList(City(__.Entity))
+export type City = InstanceType<typeof CityXtended>
+
+export class Cities extends Array<City> {
+}
+
+export function District<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class DistrictAspect extends Base {
+    code: string;
+    city: __.Association.to<City>;
+  };
+}
+const DistrictXtended = _sap_common.CodeList(District(__.Entity))
+export type District = InstanceType<typeof DistrictXtended>
+
+export class Districts extends Array<District> {
+}
+
diff --git a/bookstore/@types/sap/common/index.js b/bookstore/@types/sap/common/index.js
new file mode 100644
index 00000000..46d0912b
--- /dev/null
+++ b/bookstore/@types/sap/common/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common')
+module.exports.Language = cson.Languages
+module.exports.Languages = cson.Languages
+module.exports.Country = cson.Countries
+module.exports.Countries = cson.Countries
+module.exports.Currency = cson.Currencies
+module.exports.Currencies = cson.Currencies
\ No newline at end of file
diff --git a/bookstore/@types/sap/common/index.ts b/bookstore/@types/sap/common/index.ts
new file mode 100644
index 00000000..5de1738a
--- /dev/null
+++ b/bookstore/@types/sap/common/index.ts
@@ -0,0 +1,73 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../_';
+import * as _sap_common_countries from './countries';
+
+export type Locale = string;
+
+
+// the following represents the CDS aspect 'CodeList'
+export function CodeList<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CodeListAspect extends Base {
+    name: string;
+    descr: string;
+  };
+}
+const CodeListXtended = CodeList(__.Entity)
+export type CodeList = InstanceType<typeof CodeListXtended>
+
+/**
+* Code list for languages
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommonlanguages
+*/
+export function Language<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LanguageAspect extends Base {
+    /**
+    * Type for a language code
+    */
+    code: Locale;
+  };
+}
+const LanguageXtended = CodeList(Language(__.Entity))
+export type Language = InstanceType<typeof LanguageXtended>
+
+export class Languages extends Array<Language> {
+}
+
+/**
+* Code list for countries
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncountries
+*/
+export function Country<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CountryAspect extends Base {
+    code: string;
+    regions: __.Composition.of.many<_sap_common_countries.Regions>;
+  };
+}
+const CountryXtended = CodeList(Country(__.Entity))
+export type Country = InstanceType<typeof CountryXtended>
+
+export class Countries extends Array<Country> {
+}
+
+/**
+* Code list for currencies
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncurrencies
+*/
+export function Currency<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CurrencyAspect extends Base {
+    code: string;
+    symbol: string;
+    numcode: number;
+    exponent: number;
+    minor: string;
+  };
+}
+const CurrencyXtended = CodeList(Currency(__.Entity))
+export type Currency = InstanceType<typeof CurrencyXtended>
+
+export class Currencies extends Array<Currency> {
+}
+
diff --git a/bookstore/jsconfig.json b/bookstore/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/bookstore/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/common/@types/_/index.js b/common/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/common/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/common/@types/_/index.ts b/common/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/common/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/common/@types/index.js b/common/@types/index.js
new file mode 100644
index 00000000..ec7b888a
--- /dev/null
+++ b/common/@types/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('')
\ No newline at end of file
diff --git a/common/@types/index.ts b/common/@types/index.ts
new file mode 100644
index 00000000..b21d20ca
--- /dev/null
+++ b/common/@types/index.ts
@@ -0,0 +1,57 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_common from './sap/common';
+import * as __ from './_';
+
+export type Language = __.Association.to<_sap_common.Language>;
+export type Currency = __.Association.to<_sap_common.Currency>;
+export type Country = __.Association.to<_sap_common.Country>;
+export type User = string;
+
+
+// the following represents the CDS aspect 'cuid'
+export function cuid<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class cuidAspect extends Base {
+    ID: string;
+  };
+}
+const cuidXtended = cuid(__.Entity)
+export type cuid = InstanceType<typeof cuidXtended>
+
+// the following represents the CDS aspect 'managed'
+export function managed<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class managedAspect extends Base {
+    createdAt: Date;
+    /**
+    * Canonical user ID
+    */
+    createdBy: User;
+    modifiedAt: Date;
+    /**
+    * Canonical user ID
+    */
+    modifiedBy: User;
+  };
+}
+const managedXtended = managed(__.Entity)
+export type managed = InstanceType<typeof managedXtended>
+
+// the following represents the CDS aspect 'temporal'
+export function temporal<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class temporalAspect extends Base {
+    validFrom: Date;
+    validTo: Date;
+  };
+}
+const temporalXtended = temporal(__.Entity)
+export type temporal = InstanceType<typeof temporalXtended>
+
+// the following represents the CDS aspect 'extensible'
+export function extensible<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class extensibleAspect extends Base {
+    extensions__: string;
+  };
+}
+const extensibleXtended = extensible(__.Entity)
+export type extensible = InstanceType<typeof extensibleXtended>
+
+
diff --git a/common/@types/sap/common/countries/index.js b/common/@types/sap/common/countries/index.js
new file mode 100644
index 00000000..0f7ec90e
--- /dev/null
+++ b/common/@types/sap/common/countries/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common.countries')
+module.exports.Region = cson.Regions
+module.exports.Regions = cson.Regions
+module.exports.City = cson.Cities
+module.exports.Cities = cson.Cities
+module.exports.District = cson.Districts
+module.exports.Districts = cson.Districts
\ No newline at end of file
diff --git a/common/@types/sap/common/countries/index.ts b/common/@types/sap/common/countries/index.ts
new file mode 100644
index 00000000..352cd25a
--- /dev/null
+++ b/common/@types/sap/common/countries/index.ts
@@ -0,0 +1,47 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _sap_common from './..';
+
+
+
+
+
+export function Region<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class RegionAspect extends Base {
+    code: string;
+    children: __.Composition.of.many<Regions>;
+    cities: __.Composition.of.many<Cities>;
+    _parent: string;
+  };
+}
+const RegionXtended = _sap_common.CodeList(Region(__.Entity))
+export type Region = InstanceType<typeof RegionXtended>
+
+export class Regions extends Array<Region> {
+}
+
+export function City<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CityAspect extends Base {
+    code: string;
+    region: __.Association.to<Region>;
+    districts: __.Composition.of.many<Districts>;
+  };
+}
+const CityXtended = _sap_common.CodeList(City(__.Entity))
+export type City = InstanceType<typeof CityXtended>
+
+export class Cities extends Array<City> {
+}
+
+export function District<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class DistrictAspect extends Base {
+    code: string;
+    city: __.Association.to<City>;
+  };
+}
+const DistrictXtended = _sap_common.CodeList(District(__.Entity))
+export type District = InstanceType<typeof DistrictXtended>
+
+export class Districts extends Array<District> {
+}
+
diff --git a/common/@types/sap/common/index.js b/common/@types/sap/common/index.js
new file mode 100644
index 00000000..46d0912b
--- /dev/null
+++ b/common/@types/sap/common/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common')
+module.exports.Language = cson.Languages
+module.exports.Languages = cson.Languages
+module.exports.Country = cson.Countries
+module.exports.Countries = cson.Countries
+module.exports.Currency = cson.Currencies
+module.exports.Currencies = cson.Currencies
\ No newline at end of file
diff --git a/common/@types/sap/common/index.ts b/common/@types/sap/common/index.ts
new file mode 100644
index 00000000..5de1738a
--- /dev/null
+++ b/common/@types/sap/common/index.ts
@@ -0,0 +1,73 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../_';
+import * as _sap_common_countries from './countries';
+
+export type Locale = string;
+
+
+// the following represents the CDS aspect 'CodeList'
+export function CodeList<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CodeListAspect extends Base {
+    name: string;
+    descr: string;
+  };
+}
+const CodeListXtended = CodeList(__.Entity)
+export type CodeList = InstanceType<typeof CodeListXtended>
+
+/**
+* Code list for languages
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommonlanguages
+*/
+export function Language<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LanguageAspect extends Base {
+    /**
+    * Type for a language code
+    */
+    code: Locale;
+  };
+}
+const LanguageXtended = CodeList(Language(__.Entity))
+export type Language = InstanceType<typeof LanguageXtended>
+
+export class Languages extends Array<Language> {
+}
+
+/**
+* Code list for countries
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncountries
+*/
+export function Country<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CountryAspect extends Base {
+    code: string;
+    regions: __.Composition.of.many<_sap_common_countries.Regions>;
+  };
+}
+const CountryXtended = CodeList(Country(__.Entity))
+export type Country = InstanceType<typeof CountryXtended>
+
+export class Countries extends Array<Country> {
+}
+
+/**
+* Code list for currencies
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncurrencies
+*/
+export function Currency<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CurrencyAspect extends Base {
+    code: string;
+    symbol: string;
+    numcode: number;
+    exponent: number;
+    minor: string;
+  };
+}
+const CurrencyXtended = CodeList(Currency(__.Entity))
+export type Currency = InstanceType<typeof CurrencyXtended>
+
+export class Currencies extends Array<Currency> {
+}
+
diff --git a/common/jsconfig.json b/common/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/common/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/data-viewer/@types/DataService/index.js b/data-viewer/@types/DataService/index.js
new file mode 100644
index 00000000..e6cdbfe4
--- /dev/null
+++ b/data-viewer/@types/DataService/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('DataService')
+module.exports.Entity = cson.Entities
+module.exports.Entities = cson.Entities
+module.exports.Data = cson.Data
+module.exports.Data_ = cson.Data
\ No newline at end of file
diff --git a/data-viewer/@types/DataService/index.ts b/data-viewer/@types/DataService/index.ts
new file mode 100644
index 00000000..8fedb40d
--- /dev/null
+++ b/data-viewer/@types/DataService/index.ts
@@ -0,0 +1,40 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../_';
+
+
+
+
+
+/**
+* Metadata like name and columns/elements
+*/
+export function Entity<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class EntityAspect extends Base {
+    name: string;
+    columns: {
+    name: string;
+    type: string;
+    isKey: boolean;
+  };
+  };
+}
+const EntityXtended = Entity(__.Entity)
+export type Entity = InstanceType<typeof EntityXtended>
+
+export class Entities extends Array<Entity> {
+}
+
+/**
+* The actual data, organized by column name
+*/
+export function Data<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class DataAspect extends Base {
+    record: {};
+  };
+}
+const DataXtended = Data(__.Entity)
+export type Data = InstanceType<typeof DataXtended>
+
+export class Data_ extends Array<Data> {
+}
+
diff --git a/data-viewer/@types/_/index.js b/data-viewer/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/data-viewer/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/data-viewer/@types/_/index.ts b/data-viewer/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/data-viewer/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/data-viewer/jsconfig.json b/data-viewer/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/data-viewer/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/hello/@types/_/index.js b/hello/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/hello/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/hello/@types/_/index.ts b/hello/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/hello/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/hello/jsconfig.json b/hello/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/hello/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/media/@types/_/index.js b/media/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/media/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/media/@types/_/index.ts b/media/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/media/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/media/@types/sap/capire/media/MediaServer/index.js b/media/@types/sap/capire/media/MediaServer/index.js
new file mode 100644
index 00000000..236a8777
--- /dev/null
+++ b/media/@types/sap/capire/media/MediaServer/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.media.MediaServer')
+module.exports.Media = cson.Media
+module.exports.Media_ = cson.Media
\ No newline at end of file
diff --git a/media/@types/sap/capire/media/MediaServer/index.ts b/media/@types/sap/capire/media/MediaServer/index.ts
new file mode 100644
index 00000000..4d9b3a19
--- /dev/null
+++ b/media/@types/sap/capire/media/MediaServer/index.ts
@@ -0,0 +1,22 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../../_';
+
+
+
+
+
+export function Media<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class MediaAspect extends Base {
+    id: number;
+    content: string;
+    mediaType: string;
+    fileName: string;
+    applicationName: string;
+  };
+}
+const MediaXtended = Media(__.Entity)
+export type Media = InstanceType<typeof MediaXtended>
+
+export class Media_ extends Array<Media> {
+}
+
diff --git a/media/@types/sap/capire/media/index.js b/media/@types/sap/capire/media/index.js
new file mode 100644
index 00000000..c52632ce
--- /dev/null
+++ b/media/@types/sap/capire/media/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.media')
+module.exports.Media = cson.Media
+module.exports.Media_ = cson.Media
\ No newline at end of file
diff --git a/media/@types/sap/capire/media/index.ts b/media/@types/sap/capire/media/index.ts
new file mode 100644
index 00000000..4c42eda2
--- /dev/null
+++ b/media/@types/sap/capire/media/index.ts
@@ -0,0 +1,22 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+
+
+
+
+
+export function Media<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class MediaAspect extends Base {
+    id: number;
+    content: string;
+    mediaType: string;
+    fileName: string;
+    applicationName: string;
+  };
+}
+const MediaXtended = Media(__.Entity)
+export type Media = InstanceType<typeof MediaXtended>
+
+export class Media_ extends Array<Media> {
+}
+
diff --git a/media/jsconfig.json b/media/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/media/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/orders/@types/OrdersService/index.js b/orders/@types/OrdersService/index.js
new file mode 100644
index 00000000..c98182cd
--- /dev/null
+++ b/orders/@types/OrdersService/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('OrdersService')
+module.exports.Order = cson.Orders
+module.exports.Orders = cson.Orders
\ No newline at end of file
diff --git a/orders/@types/OrdersService/index.ts b/orders/@types/OrdersService/index.ts
new file mode 100644
index 00000000..d631ce86
--- /dev/null
+++ b/orders/@types/OrdersService/index.ts
@@ -0,0 +1,37 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_orders from './../sap/capire/orders';
+import * as __ from './../_';
+import * as _ from './..';
+
+
+
+
+
+export function Order<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class OrderAspect extends Base {
+    OrderNo: string;
+    Items: {
+    ID: string;
+    product: __.Association.to<_sap_capire_orders.Product>;
+    quantity: number;
+    title: string;
+    price: number;
+  };
+    /**
+    * Canonical user ID
+    */
+    buyer: _.User;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+  };
+}
+const OrderXtended = _.cuid(_.managed(Order(__.Entity)))
+export type Order = InstanceType<typeof OrderXtended>
+
+export class Orders extends Array<Order> {
+}
+
diff --git a/orders/@types/_/index.js b/orders/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/orders/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/orders/@types/_/index.ts b/orders/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/orders/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/orders/@types/index.js b/orders/@types/index.js
new file mode 100644
index 00000000..ec7b888a
--- /dev/null
+++ b/orders/@types/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('')
\ No newline at end of file
diff --git a/orders/@types/index.ts b/orders/@types/index.ts
new file mode 100644
index 00000000..b21d20ca
--- /dev/null
+++ b/orders/@types/index.ts
@@ -0,0 +1,57 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_common from './sap/common';
+import * as __ from './_';
+
+export type Language = __.Association.to<_sap_common.Language>;
+export type Currency = __.Association.to<_sap_common.Currency>;
+export type Country = __.Association.to<_sap_common.Country>;
+export type User = string;
+
+
+// the following represents the CDS aspect 'cuid'
+export function cuid<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class cuidAspect extends Base {
+    ID: string;
+  };
+}
+const cuidXtended = cuid(__.Entity)
+export type cuid = InstanceType<typeof cuidXtended>
+
+// the following represents the CDS aspect 'managed'
+export function managed<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class managedAspect extends Base {
+    createdAt: Date;
+    /**
+    * Canonical user ID
+    */
+    createdBy: User;
+    modifiedAt: Date;
+    /**
+    * Canonical user ID
+    */
+    modifiedBy: User;
+  };
+}
+const managedXtended = managed(__.Entity)
+export type managed = InstanceType<typeof managedXtended>
+
+// the following represents the CDS aspect 'temporal'
+export function temporal<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class temporalAspect extends Base {
+    validFrom: Date;
+    validTo: Date;
+  };
+}
+const temporalXtended = temporal(__.Entity)
+export type temporal = InstanceType<typeof temporalXtended>
+
+// the following represents the CDS aspect 'extensible'
+export function extensible<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class extensibleAspect extends Base {
+    extensions__: string;
+  };
+}
+const extensibleXtended = extensible(__.Entity)
+export type extensible = InstanceType<typeof extensibleXtended>
+
+
diff --git a/orders/@types/sap/capire/orders/index.js b/orders/@types/sap/capire/orders/index.js
new file mode 100644
index 00000000..1b441782
--- /dev/null
+++ b/orders/@types/sap/capire/orders/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.orders')
+module.exports.Order = cson.Orders
+module.exports.Orders = cson.Orders
+module.exports.Product = cson.Products
+module.exports.Products = cson.Products
\ No newline at end of file
diff --git a/orders/@types/sap/capire/orders/index.ts b/orders/@types/sap/capire/orders/index.ts
new file mode 100644
index 00000000..29103a07
--- /dev/null
+++ b/orders/@types/sap/capire/orders/index.ts
@@ -0,0 +1,50 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _ from './../../..';
+
+
+
+
+
+export function Order<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class OrderAspect extends Base {
+    OrderNo: string;
+    Items: {
+    ID: string;
+    product: __.Association.to<Product>;
+    quantity: number;
+    title: string;
+    price: number;
+  };
+    /**
+    * Canonical user ID
+    */
+    buyer: _.User;
+    /**
+    * Type for an association to Currencies
+    * 
+    * See https://cap.cloud.sap/docs/cds/common#type-currency
+    */
+    currency: __.Association.to<_.Currency>;
+  };
+}
+const OrderXtended = _.cuid(_.managed(Order(__.Entity)))
+export type Order = InstanceType<typeof OrderXtended>
+
+export class Orders extends Array<Order> {
+}
+
+/**
+* This is a stand-in for arbitrary ordered Products
+*/
+export function Product<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ProductAspect extends Base {
+    ID: string;
+  };
+}
+const ProductXtended = Product(__.Entity)
+export type Product = InstanceType<typeof ProductXtended>
+
+export class Products extends Array<Product> {
+}
+
diff --git a/orders/@types/sap/common/countries/index.js b/orders/@types/sap/common/countries/index.js
new file mode 100644
index 00000000..0f7ec90e
--- /dev/null
+++ b/orders/@types/sap/common/countries/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common.countries')
+module.exports.Region = cson.Regions
+module.exports.Regions = cson.Regions
+module.exports.City = cson.Cities
+module.exports.Cities = cson.Cities
+module.exports.District = cson.Districts
+module.exports.Districts = cson.Districts
\ No newline at end of file
diff --git a/orders/@types/sap/common/countries/index.ts b/orders/@types/sap/common/countries/index.ts
new file mode 100644
index 00000000..352cd25a
--- /dev/null
+++ b/orders/@types/sap/common/countries/index.ts
@@ -0,0 +1,47 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../../_';
+import * as _sap_common from './..';
+
+
+
+
+
+export function Region<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class RegionAspect extends Base {
+    code: string;
+    children: __.Composition.of.many<Regions>;
+    cities: __.Composition.of.many<Cities>;
+    _parent: string;
+  };
+}
+const RegionXtended = _sap_common.CodeList(Region(__.Entity))
+export type Region = InstanceType<typeof RegionXtended>
+
+export class Regions extends Array<Region> {
+}
+
+export function City<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CityAspect extends Base {
+    code: string;
+    region: __.Association.to<Region>;
+    districts: __.Composition.of.many<Districts>;
+  };
+}
+const CityXtended = _sap_common.CodeList(City(__.Entity))
+export type City = InstanceType<typeof CityXtended>
+
+export class Cities extends Array<City> {
+}
+
+export function District<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class DistrictAspect extends Base {
+    code: string;
+    city: __.Association.to<City>;
+  };
+}
+const DistrictXtended = _sap_common.CodeList(District(__.Entity))
+export type District = InstanceType<typeof DistrictXtended>
+
+export class Districts extends Array<District> {
+}
+
diff --git a/orders/@types/sap/common/index.js b/orders/@types/sap/common/index.js
new file mode 100644
index 00000000..46d0912b
--- /dev/null
+++ b/orders/@types/sap/common/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common')
+module.exports.Language = cson.Languages
+module.exports.Languages = cson.Languages
+module.exports.Country = cson.Countries
+module.exports.Countries = cson.Countries
+module.exports.Currency = cson.Currencies
+module.exports.Currencies = cson.Currencies
\ No newline at end of file
diff --git a/orders/@types/sap/common/index.ts b/orders/@types/sap/common/index.ts
new file mode 100644
index 00000000..5de1738a
--- /dev/null
+++ b/orders/@types/sap/common/index.ts
@@ -0,0 +1,73 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../_';
+import * as _sap_common_countries from './countries';
+
+export type Locale = string;
+
+
+// the following represents the CDS aspect 'CodeList'
+export function CodeList<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CodeListAspect extends Base {
+    name: string;
+    descr: string;
+  };
+}
+const CodeListXtended = CodeList(__.Entity)
+export type CodeList = InstanceType<typeof CodeListXtended>
+
+/**
+* Code list for languages
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommonlanguages
+*/
+export function Language<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LanguageAspect extends Base {
+    /**
+    * Type for a language code
+    */
+    code: Locale;
+  };
+}
+const LanguageXtended = CodeList(Language(__.Entity))
+export type Language = InstanceType<typeof LanguageXtended>
+
+export class Languages extends Array<Language> {
+}
+
+/**
+* Code list for countries
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncountries
+*/
+export function Country<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CountryAspect extends Base {
+    code: string;
+    regions: __.Composition.of.many<_sap_common_countries.Regions>;
+  };
+}
+const CountryXtended = CodeList(Country(__.Entity))
+export type Country = InstanceType<typeof CountryXtended>
+
+export class Countries extends Array<Country> {
+}
+
+/**
+* Code list for currencies
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncurrencies
+*/
+export function Currency<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CurrencyAspect extends Base {
+    code: string;
+    symbol: string;
+    numcode: number;
+    exponent: number;
+    minor: string;
+  };
+}
+const CurrencyXtended = CodeList(Currency(__.Entity))
+export type Currency = InstanceType<typeof CurrencyXtended>
+
+export class Currencies extends Array<Currency> {
+}
+
diff --git a/orders/jsconfig.json b/orders/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/orders/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file
diff --git a/reviews/@types/ReviewsService/index.js b/reviews/@types/ReviewsService/index.js
new file mode 100644
index 00000000..3fb7d97a
--- /dev/null
+++ b/reviews/@types/ReviewsService/index.js
@@ -0,0 +1,5 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('ReviewsService')
+module.exports.Review = cson.Reviews
+module.exports.Reviews = cson.Reviews
\ No newline at end of file
diff --git a/reviews/@types/ReviewsService/index.ts b/reviews/@types/ReviewsService/index.ts
new file mode 100644
index 00000000..c61105bf
--- /dev/null
+++ b/reviews/@types/ReviewsService/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_capire_reviews from './../sap/capire/reviews';
+import * as _ from './..';
+import * as __ from './../_';
+
+
+
+
+
+export function Review<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ReviewAspect extends Base {
+    ID: string;
+    subject: _sap_capire_reviews.ReviewedSubject;
+    /**
+    * Canonical user ID
+    */
+    reviewer: _.User;
+    rating: _sap_capire_reviews.Rating;
+    title: string;
+    text: string;
+    date: Date;
+    likes: __.Composition.of.many<_sap_capire_reviews.Likes>;
+    liked: number;
+  };
+}
+const ReviewXtended = Review(__.Entity)
+export type Review = InstanceType<typeof ReviewXtended>
+
+export class Reviews extends Array<Review> {
+}
+
+// action
+export declare const like: (review: Reviews) => {};
+// action
+export declare const unlike: (review: Reviews) => {};
\ No newline at end of file
diff --git a/reviews/@types/_/index.js b/reviews/@types/_/index.js
new file mode 100644
index 00000000..ac3bdb74
--- /dev/null
+++ b/reviews/@types/_/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('_')
\ No newline at end of file
diff --git a/reviews/@types/_/index.ts b/reviews/@types/_/index.ts
new file mode 100644
index 00000000..2281870a
--- /dev/null
+++ b/reviews/@types/_/index.ts
@@ -0,0 +1,35 @@
+// This is an automatically generated file. Please do not change its contents manually!
+
+
+export namespace Association {
+    export type to <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace to {
+        // type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export namespace Composition {
+    export type of <T> = T & ((fn:(a:T)=>any) => T)
+    export namespace of {
+        //type many <T> = T[] & (T extends (infer R)[] ? R[] & ((fn:(a:R)=>any) => R[]) : T[]);
+        export type many <T extends readonly unknown[]> = T & ((fn:(a:T[number])=>any) => T[number]);
+    }
+}
+
+export class Entity {
+    static data<T extends Entity> (this:T, input:Object) : T { 
+        return {} as T // mock
+    } 
+}
+  
+export type EntitySet<T> = T[] & {
+    data (input:object[]) : T[]
+    data (input:object) : T
+}
+
+
+
+
+
+
diff --git a/reviews/@types/index.js b/reviews/@types/index.js
new file mode 100644
index 00000000..ec7b888a
--- /dev/null
+++ b/reviews/@types/index.js
@@ -0,0 +1,3 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('')
\ No newline at end of file
diff --git a/reviews/@types/index.ts b/reviews/@types/index.ts
new file mode 100644
index 00000000..b21d20ca
--- /dev/null
+++ b/reviews/@types/index.ts
@@ -0,0 +1,57 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _sap_common from './sap/common';
+import * as __ from './_';
+
+export type Language = __.Association.to<_sap_common.Language>;
+export type Currency = __.Association.to<_sap_common.Currency>;
+export type Country = __.Association.to<_sap_common.Country>;
+export type User = string;
+
+
+// the following represents the CDS aspect 'cuid'
+export function cuid<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class cuidAspect extends Base {
+    ID: string;
+  };
+}
+const cuidXtended = cuid(__.Entity)
+export type cuid = InstanceType<typeof cuidXtended>
+
+// the following represents the CDS aspect 'managed'
+export function managed<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class managedAspect extends Base {
+    createdAt: Date;
+    /**
+    * Canonical user ID
+    */
+    createdBy: User;
+    modifiedAt: Date;
+    /**
+    * Canonical user ID
+    */
+    modifiedBy: User;
+  };
+}
+const managedXtended = managed(__.Entity)
+export type managed = InstanceType<typeof managedXtended>
+
+// the following represents the CDS aspect 'temporal'
+export function temporal<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class temporalAspect extends Base {
+    validFrom: Date;
+    validTo: Date;
+  };
+}
+const temporalXtended = temporal(__.Entity)
+export type temporal = InstanceType<typeof temporalXtended>
+
+// the following represents the CDS aspect 'extensible'
+export function extensible<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class extensibleAspect extends Base {
+    extensions__: string;
+  };
+}
+const extensibleXtended = extensible(__.Entity)
+export type extensible = InstanceType<typeof extensibleXtended>
+
+
diff --git a/reviews/@types/sap/capire/reviews/index.js b/reviews/@types/sap/capire/reviews/index.js
new file mode 100644
index 00000000..fef77aa7
--- /dev/null
+++ b/reviews/@types/sap/capire/reviews/index.js
@@ -0,0 +1,7 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.capire.reviews')
+module.exports.Review = cson.Reviews
+module.exports.Reviews = cson.Reviews
+module.exports.Like = cson.Likes
+module.exports.Likes = cson.Likes
\ No newline at end of file
diff --git a/reviews/@types/sap/capire/reviews/index.ts b/reviews/@types/sap/capire/reviews/index.ts
new file mode 100644
index 00000000..6a23e13e
--- /dev/null
+++ b/reviews/@types/sap/capire/reviews/index.ts
@@ -0,0 +1,51 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as _ from './../../..';
+import * as __ from './../../../_';
+
+export type ReviewedSubject = string;
+export enum Rating {
+  Best = 5,
+  Good = 4,
+  Avg = 3,
+  Poor = 2,
+  Worst = 1,
+}
+
+
+export function Review<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class ReviewAspect extends Base {
+    ID: string;
+    subject: ReviewedSubject;
+    /**
+    * Canonical user ID
+    */
+    reviewer: _.User;
+    rating: Rating;
+    title: string;
+    text: string;
+    date: Date;
+    likes: __.Composition.of.many<Likes>;
+    liked: number;
+  };
+}
+const ReviewXtended = Review(__.Entity)
+export type Review = InstanceType<typeof ReviewXtended>
+
+export class Reviews extends Array<Review> {
+}
+
+export function Like<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LikeAspect extends Base {
+    review: __.Association.to<Review>;
+    /**
+    * Canonical user ID
+    */
+    user: _.User;
+  };
+}
+const LikeXtended = Like(__.Entity)
+export type Like = InstanceType<typeof LikeXtended>
+
+export class Likes extends Array<Like> {
+}
+
diff --git a/reviews/@types/sap/common/index.js b/reviews/@types/sap/common/index.js
new file mode 100644
index 00000000..46d0912b
--- /dev/null
+++ b/reviews/@types/sap/common/index.js
@@ -0,0 +1,9 @@
+// This is an automatically generated file. Please do not change its contents manually!
+const cds = require('@sap/cds')
+const cson = cds.entities('sap.common')
+module.exports.Language = cson.Languages
+module.exports.Languages = cson.Languages
+module.exports.Country = cson.Countries
+module.exports.Countries = cson.Countries
+module.exports.Currency = cson.Currencies
+module.exports.Currencies = cson.Currencies
\ No newline at end of file
diff --git a/reviews/@types/sap/common/index.ts b/reviews/@types/sap/common/index.ts
new file mode 100644
index 00000000..e88b2f92
--- /dev/null
+++ b/reviews/@types/sap/common/index.ts
@@ -0,0 +1,68 @@
+// This is an automatically generated file. Please do not change its contents manually!
+import * as __ from './../../_';
+
+export type Locale = string;
+
+
+// the following represents the CDS aspect 'CodeList'
+export function CodeList<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CodeListAspect extends Base {
+    name: string;
+    descr: string;
+  };
+}
+const CodeListXtended = CodeList(__.Entity)
+export type CodeList = InstanceType<typeof CodeListXtended>
+
+/**
+* Code list for languages
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommonlanguages
+*/
+export function Language<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class LanguageAspect extends Base {
+    /**
+    * Type for a language code
+    */
+    code: Locale;
+  };
+}
+const LanguageXtended = CodeList(Language(__.Entity))
+export type Language = InstanceType<typeof LanguageXtended>
+
+export class Languages extends Array<Language> {
+}
+
+/**
+* Code list for countries
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncountries
+*/
+export function Country<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CountryAspect extends Base {
+    code: string;
+  };
+}
+const CountryXtended = CodeList(Country(__.Entity))
+export type Country = InstanceType<typeof CountryXtended>
+
+export class Countries extends Array<Country> {
+}
+
+/**
+* Code list for currencies
+* 
+* See https://cap.cloud.sap/docs/cds/common#entity-sapcommoncurrencies
+*/
+export function Currency<TBase extends new (...args: any[]) => {}>(Base: TBase) {
+  return class CurrencyAspect extends Base {
+    code: string;
+    symbol: string;
+  };
+}
+const CurrencyXtended = CodeList(Currency(__.Entity))
+export type Currency = InstanceType<typeof CurrencyXtended>
+
+export class Currencies extends Array<Currency> {
+}
+
diff --git a/reviews/jsconfig.json b/reviews/jsconfig.json
new file mode 100644
index 00000000..90fc6061
--- /dev/null
+++ b/reviews/jsconfig.json
@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "checkJs": true
+  }
+}
\ No newline at end of file