src/vs/platform/sign/node/signService.ts/SignService/sign
class SignService:	async sign(value: string): Promise<string> {
		try {
			const vsda = await this.vsda();
			const signer = new vsda.signer();
			if (signer) {
				return signer.sign(value);
			}
		} catch (e) {
			// ignore errors silently
		}
		return value;
	}