More layering (#9111)

* move handling generated files to the serilization classes

* remove unneeded methods

* add more folders to strictire compile, add more strict compile options

* update ci

* wip

* add more layering and fix issues

* add more strictness

* remove unnecessary assertion

* add missing checks

* fix indentation

* wip

* remove jsdoc

* fix layering

* fix compile

* fix compile errors

* wip

* wip

* finish layering

* fix css

* more layering

* rip

* reworking results serializer

* move some files around

* move capabilities to platform wip

* implement capabilities register provider

* fix capabilities service

* fix usage of the regist4ry

* add contribution

* remove no longer good parts

* fix issues with startup

* another try

* fix startup

* fix imports

* fix tests

* fix tests

* fix more tests

* fix tests

* fix more tests

* fix broken test

* fix tabbing

* fix naming

src/sql/workbench/services/notebook/common/contracts.ts

@@ -0,0 +1,49 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+
+export type CellType = 'code' | 'markdown' | 'raw';
+
+export class CellTypes {
+	public static readonly Code = 'code';
+	public static readonly Markdown = 'markdown';
+}
+
+// to do: add all mime types
+export type MimeType = 'text/plain' | 'text/html';
+
+// to do: add all mime types
+export class MimeTypes {
+	public static readonly PlainText = 'text/plain';
+	public static readonly HTML = 'text/html';
+}
+
+export type OutputType =
+	| 'execute_result'
+	| 'display_data'
+	| 'stream'
+	| 'error'
+	| 'update_display_data';
+
+export class OutputTypes {
+	public static readonly ExecuteResult = 'execute_result';
+	public static readonly DisplayData = 'display_data';
+	public static readonly Stream = 'stream';
+	public static readonly Error = 'error';
+	public static readonly UpdateDisplayData = 'update_display_data';
+}
+
+export enum NotebookChangeType {
+	CellsModified,
+	CellSourceUpdated,
+	CellOutputUpdated,
+	DirtyStateChanged,
+	KernelChanged,
+	TrustChanged,
+	Saved,
+	CellExecuted,
+	CellInputVisibilityChanged,
+	CellOutputCleared
+}