src/vs/workbench/api/browser/mainThreadDebugService.ts/MainThreadDebugService/getDebugAdapter
class MainThreadDebugService:	private getDebugAdapter(handle: number): ExtensionHostDebugAdapter {
		const adapter = this._debugAdapters.get(handle);
		if (!adapter) {
			throw new Error('Invalid debug adapter');
		}
		return adapter;
	}