First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/langium/lib/generate/generator-tracing.d.ts

@@ -0,0 +1,40 @@
+/******************************************************************************
+ * Copyright 2023 TypeFox GmbH
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License, which is available in the project root.
+ ******************************************************************************/
+import type { Range } from 'vscode-languageserver-textdocument';
+import type { AstNode, CstNode } from '../syntax-tree.js';
+import type { DocumentSegment } from '../workspace/documents.js';
+export interface TraceSourceSpec {
+    astNode: AstNode;
+    property?: string;
+    index?: number;
+}
+export type SourceRegion = TextRegion | TextRegion2 | DocumentSegmentWithFileURI;
+export interface TextRegion {
+    fileURI?: string;
+    offset: number;
+    end: number;
+    length?: number;
+    range?: Range;
+}
+interface TextRegion2 {
+    fileURI?: string;
+    offset: number;
+    length: number;
+    end?: number;
+    range?: Range;
+}
+export interface TraceRegion {
+    sourceRegion?: TextRegion;
+    targetRegion: TextRegion;
+    children?: TraceRegion[];
+}
+interface DocumentSegmentWithFileURI extends Omit<DocumentSegment, 'range'> {
+    fileURI?: string;
+    range?: Range;
+}
+export declare function getSourceRegion(sourceSpec: TraceSourceSpec | undefined | SourceRegion | SourceRegion[]): DocumentSegmentWithFileURI | CstNode | undefined;
+export {};
+//# sourceMappingURL=generator-tracing.d.ts.map