src/vs/workbench/api/node/extHostStoragePaths.ts/Lock/setWillRelease
class Lock:	public async setWillRelease(timeUntilReleaseMs: number): Promise<void> {
		this.logService.info(`Lock '${this.filename}': Marking the lockfile as scheduled to be released in ${timeUntilReleaseMs} ms.`);
		try {
			const contents: ILockfileContents = {
				pid: process.pid,
				willReleaseAt: Date.now() + timeUntilReleaseMs
			};
			await Promises.writeFile(this.filename, JSON.stringify(contents), { flag: 'w' });
		} catch (err) {
			this.logService.error(err);
		}
	}