[WIP] TS Decalrations

package.json

@@ -20,12 +20,16 @@
 	"exports": {
 		"./processors/*": "./lib/processors/*.js",
 		"./processors/jsdoc/lib/*": null,
-		"./tasks/*": "./lib/tasks/*.js",
+		"./tasks/*": {
+			"default": "./lib/tasks/*.js",
+			"types": "./types/*.d.ts"
+		},
 		"./tasks/taskRepository": null,
 		"./tasks/bundlers/utils/*": null,
 		"./package.json": "./package.json",
 		"./internal/taskRepository": "./lib/tasks/taskRepository.js",
-		"./internal/jsdoc/template/publish": "./lib/processors/jsdoc/lib/ui5/template/publish.cjs"
+		"./internal/jsdoc/template/publish": "./lib/processors/jsdoc/lib/ui5/template/publish.cjs",
+		"./types": "./types/index.d.ts"
 	},
 	"engines": {
 		"node": "^16.18.0 || >=18.12.0",

tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "noEmit": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "allowSyntheticDefaultImports": true,
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+  },
+}

types/TaskParameters.d.ts

@@ -0,0 +1,25 @@
+// declare module "@ui5/builder/task/TaskParameters" {
+import type { TaskUtil } from "@ui5/project/build/helpers/TaskUtil";
+
+// Mock some of the types, so it would be easier to follow
+declare type ui5_fs_DuplexCollection = object
+
+// This one should be (eventually) provided globally or as a part of @ui5/project/Specification 
+declare type availableSpecVersions = "2.0" | "2.2" | "3.0" | "3.2";
+
+declare interface TaskParametersBase {
+	workspace: ui5_fs_DuplexCollection,
+	options: {
+		omitSourceMapResources?: boolean,
+		useInputSourceMaps?: boolean,
+	}
+}
+
+declare interface TaskParameters_2_2<specVersion extends availableSpecVersions> extends TaskParametersBase {
+	taskUtil: TaskUtil<specVersion>
+}
+
+export declare type TaskParameters<specVersion extends availableSpecVersions> = specVersion extends "2.2" | "3.0" | "3.2"
+	? TaskParameters_2_2<specVersion>
+	: TaskParametersBase
+// }