src/vs/workbench/api/common/extHostSecrets.ts/ExtensionSecrets/constructor
class ExtensionSecrets:	constructor(extensionDescription: IExtensionDescription, secretState: ExtHostSecretState) {
		this._id = ExtensionIdentifier.toKey(extensionDescription.identifier);
		this.#secretState = secretState;

		this.#secretState.onDidChangePassword(e => {
			if (e.extensionId === this._id) {
				this._onDidChange.fire({ key: e.key });
			}
		});
	}