/**
 * GitHubEpicRepository — Implements IEpicRepository against GitHub GraphQL API.
 *
 * Folds SearchRepository functionality directly — no separate search class.
 * Uses sub_issues preview header for timeline queries.
 */
import type { IEpicRepository, EpicIssueData, IssueTimelineData, IProjectConfig } from '../../../container/interfaces.js';
import type { ILogger } from '../../../shared/logger.js';
import type { GitHubGraphQLClient } from '../core/graphql-client.js';
export declare class GitHubEpicRepository implements IEpicRepository {
    private readonly client;
    private readonly config;
    private readonly logger;
    constructor(client: GitHubGraphQLClient, config: IProjectConfig, logger: ILogger);
    private get owner();
    private get repo();
    searchEpicIssues(searchTerm: string): Promise<EpicIssueData[]>;
    getIssueWithTimeline(issueNumber: number): Promise<IssueTimelineData>;
}
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