import type { ForgeProvider, VcsInfo } from '../environment';
import type { ReviewBackend, ReviewEvent } from './types';
export declare function GitLabReviewBackend(vcs: VcsInfo, number: number): ReviewBackend;
export declare function assertReviewEventSupported(provider: ForgeProvider, event: ReviewEvent): void;
export interface GitlabDiffRefs {
    base_sha: string;
    start_sha: string;
    head_sha: string;
}
export declare function parseGitlabDiffRefs(input: string): GitlabDiffRefs;
export declare function hasGitlabDraftNotes(input: string): boolean;
//# sourceMappingURL=gitlab-review-backend.d.ts.map