src/vs/platform/extensionManagement/node/extensionSignatureVerificationService.ts/ExtensionSignatureVerificationService/verify
class ExtensionSignatureVerificationService:	public async verify(vsixFilePath: string, signatureArchiveFilePath: string): Promise<boolean> {
		let module: typeof vsceSign;

		try {
			module = await this.vsceSign();
		} catch (error) {
			return false;
		}

		return module.verify(vsixFilePath, signatureArchiveFilePath);
	}