/**
 * PR Link Handler
 *
 * Links a PR to an issue, creating a CLOSES relationship in Neo4j
 * and optionally commenting on the GitHub issue.
 *
 * @see .dev/features/github-pr.md for full specification
 */
import type { IGithubClient } from '../../../domain/interfaces/dal/IGithubClient';
import type { IPullRequestRepository } from '../../../domain/interfaces/dal/IPullRequestRepository';
/**
 * Options for PR link operation.
 */
export interface IPrLinkOptions {
    /** Repository in owner/repo format. Uses current repo if not provided. */
    readonly repo?: string;
    /** PR number to link. */
    readonly prNumber: number;
    /** Issue number to link to. */
    readonly issueNumber: number;
    /** Skip commenting on the GitHub issue. */
    readonly noComment?: boolean;
}
/**
 * PR info in link result.
 */
export interface IPrLinkPrInfo {
    readonly number: number;
    readonly repo: string;
    readonly title: string;
    readonly url: string;
}
/**
 * Issue info in link result.
 */
export interface IPrLinkIssueInfo {
    readonly number: number;
    readonly repo: string;
    readonly title: string;
    readonly url: string;
}
/**
 * Result from PrLinkHandler.
 */
export interface IPrLinkResult {
    readonly success: boolean;
    readonly message: string;
    /** PR details if successful. */
    readonly pr?: IPrLinkPrInfo;
    /** Issue details if successful. */
    readonly issue?: IPrLinkIssueInfo;
    /** True if the PR was already linked to this issue. */
    readonly alreadyLinked: boolean;
}
/**
 * Handler for linking PRs to issues.
 */
export declare class PrLinkHandler {
    private readonly githubClient;
    private readonly prRepository;
    constructor(githubClient: IGithubClient, prRepository: IPullRequestRepository);
    /**
     * Link a PR to an issue.
     *
     * Creates a CLOSES relationship in Neo4j and optionally comments
     * on the GitHub issue. Idempotent - linking an already-linked
     * PR/issue pair returns success with alreadyLinked=true.
     */
    execute(options: IPrLinkOptions): Promise<IPrLinkResult>;
    /**
     * Map GitHub PR state to domain status.
     */
    private mapPrStatus;
}
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