src/vs/code/browser/workbench/workbench.ts/LocalStorageCredentialsProvider/credentials
class LocalStorageCredentialsProvider:	private get credentials(): ICredential[] {
		if (!this._credentials) {
			try {
				const serializedCredentials = window.localStorage.getItem(LocalStorageCredentialsProvider.CREDENTIALS_OPENED_KEY);
				if (serializedCredentials) {
					this._credentials = JSON.parse(serializedCredentials);
				}
			} catch (error) {
				// ignore
			}

			if (!Array.isArray(this._credentials)) {
				this._credentials = [];
			}
		}

		return this._credentials;
	}