/** Executor type for dependency injection (testability). */
export type CommandExecutor = (cmd: string, args: string[]) => Promise<{
    stdout: string;
    stderr: string;
}>;
/**
 * Find an existing open issue with the given label.
 * Returns the issue number or null if none found / gh unavailable.
 */
export declare function findExistingIssue(repo: string, label: string, exec?: CommandExecutor): Promise<number | null>;
/**
 * Create a new issue or comment on an existing one.
 * Uses --body-file to avoid shell injection.
 * Returns the issue number.
 */
export declare function createOrUpdateIssue(options: {
    repo: string;
    title: string;
    body: string;
    labels: string[];
    exec?: CommandExecutor;
}): Promise<number>;