extensions/typescript-language-features/src/typeScriptServiceClientHost.ts/TypeScriptServiceClientHost/diagnosticsReceived
class TypeScriptServiceClientHost:	private async diagnosticsReceived(
		kind: DiagnosticKind,
		resource: vscode.Uri,
		diagnostics: Proto.Diagnostic[]
	): Promise<void> {
		const language = await this.findLanguage(resource);
		if (language) {
			language.diagnosticsReceived(
				kind,
				resource,
				this.createMarkerDatas(diagnostics, language.diagnosticSource));
		}
	}