/**
 * GitHub CLI Wrapper
 *
 * Wraps the `gh` CLI to provide a clean TypeScript interface for GitHub API operations.
 * Uses the existing `gh` authentication and handles rate limiting automatically.
 *
 * @see .dev/features/github-pr.md for full specification
 */
import type { IGhPrResponse, IGhCheckResponse, IGhReviewResponse, IGhReviewCommentResponse, IGhReviewThreadResponse, IGhIssueResponse, IGhUserResponse, IGithubClientOptions } from './types';
/**
 * GitHub CLI wrapper for PR operations.
 */
export declare class GithubClient {
    private readonly options;
    private cachedUser;
    constructor(options?: IGithubClientOptions);
    /**
     * Execute a gh CLI command and parse JSON output.
     * Uses spawnSync with shell: false to avoid shell injection.
     */
    private execGh;
    /**
     * Execute a gh api command.
     * Uses stdin for POST data to avoid shell injection vulnerabilities.
     */
    private execGhApi;
    /**
     * Execute a gh CLI command with stdin input.
     * Uses spawnSync with shell: false to avoid shell injection.
     */
    private execGhWithStdin;
    private delay;
    /**
     * Get PR details.
     */
    getPr(repo: string, prNumber: number): Promise<IGhPrResponse>;
    /**
     * Get CI check statuses for a PR.
     * Note: Returns empty array only when PR exists but has no checks.
     * Throws NOT_FOUND if the PR itself doesn't exist.
     */
    getPrChecks(repo: string, prNumber: number): Promise<readonly IGhCheckResponse[]>;
    /**
     * Get PR reviews.
     */
    getPrReviews(repo: string, prNumber: number): Promise<readonly IGhReviewResponse[]>;
    /**
     * Get PR review comments (inline comments on diff).
     */
    getPrComments(repo: string, prNumber: number): Promise<readonly IGhReviewCommentResponse[]>;
    /**
     * Get PR review threads with resolution status via GraphQL.
     * This provides the isResolved flag which is not available in the REST API.
     */
    getPrReviewThreads(repo: string, prNumber: number): Promise<readonly IGhReviewThreadResponse[]>;
    /**
     * Get the diff for a PR.
     */
    getPrDiff(repo: string, prNumber: number): Promise<string>;
    /**
     * Get issue details.
     */
    getIssue(repo: string, issueNumber: number): Promise<IGhIssueResponse>;
    /**
     * Reply to a PR review comment.
     */
    replyToComment(repo: string, commentId: number, body: string): Promise<IGhReviewCommentResponse>;
    /**
     * Add a reaction to a PR comment.
     * @param reaction - One of: +1, -1, laugh, confused, heart, hooray, rocket, eyes
     */
    addReaction(repo: string, commentId: number, reaction: '+1' | '-1' | 'laugh' | 'confused' | 'heart' | 'hooray' | 'rocket' | 'eyes'): Promise<void>;
    /**
     * Get the currently authenticated GitHub user.
     * Cached after first call.
     */
    getCurrentUser(): Promise<IGhUserResponse>;
    /**
     * Get the user ID in Lisa's format for user-scoped storage.
     * Returns format: "user:<github-username>"
     */
    getUserId(): Promise<string>;
    /**
     * Get the current repository from git remote.
     * Returns format: "owner/repo"
     */
    getCurrentRepo(): Promise<string>;
    /**
     * Get the current PR number for the checked-out branch.
     */
    getCurrentPrNumber(): Promise<number>;
    /**
     * Get the current git branch name.
     */
    getCurrentBranch(): Promise<string>;
    /**
     * Get the default branch for a repository (usually main or master).
     */
    getDefaultBranch(repo: string): Promise<string>;
    /**
     * Get commit messages between base and head (or HEAD if not specified).
     */
    getCommitMessages(base: string, head?: string): Promise<readonly string[]>;
    /**
     * Get list of changed files between base and head (or HEAD if not specified).
     */
    getChangedFiles(base: string, head?: string): Promise<readonly string[]>;
    /**
     * Add a comment to an issue.
     */
    commentOnIssue(repo: string, issueNumber: number, body: string): Promise<void>;
    /**
     * Create a new PR.
     * Uses --body-file - to pass body via stdin, avoiding shell injection.
     */
    createPr(options: {
        repo: string;
        title: string;
        body: string;
        base?: string;
        head?: string;
        draft?: boolean;
    }): Promise<IGhPrResponse>;
    /**
     * Check if gh CLI is installed and authenticated.
     */
    isAvailable(): Promise<boolean>;
}
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