/**
 * create pull request and merge it
 * @param defaultBranch - The default branch of the repository
 * @param useAutoMerge - Whether to enable auto merge
 */
export declare function pullRequest(defaultBranch: string, useAutoMerge: boolean): Promise<string | undefined>;
/**
 * initialize release label
 */
export declare function initReleaseLabel(): Promise<void>;
/**
 * handle merge error, if error is caused by auto merge, open browser.
 * @param e
 * @param prUrl
 */
export declare function handleMergeError(e: unknown, prUrl: string): Promise<void>;