extensions/typescript-language-features/src/languageFeatures/diagnostics.ts/DiagnosticsManager/rebuild
class DiagnosticsManager:	private rebuild(): void {
		this._currentDiagnostics.clear();
		for (const fileDiagnostic of this._diagnostics.values) {
			this._currentDiagnostics.set(fileDiagnostic.file, fileDiagnostic.getDiagnostics(this._settings));
		}
	}