/**
 * Parallel request handling for GitHub API
 *
 * Batches related API calls to improve performance and reduce
 * the number of round trips to GitHub's API.
 */
import type { GitHubClient } from "./client.js";
export interface BatchRequest<T> {
    key: string;
    fn: () => Promise<T>;
    priority: "high" | "normal" | "low";
}
export interface BatchResult<T> {
    key: string;
    data?: T;
    error?: Error;
}
/**
 * Handles parallel GitHub API requests with concurrency control
 *
 * Manages batching and parallel execution of GitHub API calls
 * to improve performance while respecting rate limits.
 */
export declare class ParallelRequestHandler {
    private client;
    private maxConcurrency;
    /**
     * Create a new parallel request handler
     * @param client - GitHub client instance
     * @param maxConcurrency - Maximum concurrent requests (default: 5)
     */
    constructor(client: GitHubClient, maxConcurrency?: number);
    /**
     * Execute multiple requests in parallel with concurrency control
     * @param requests - Array of batch requests to execute
     * @returns Promise resolving to array of batch results
     */
    executeBatch<T>(requests: BatchRequest<T>[]): Promise<BatchResult<T>[]>;
    /**
     * Execute a single request
     * @param request - Batch request to execute
     * @returns Promise resolving to batch result
     */
    private executeRequest;
    /**
     * Batch PR metadata requests
     * @param prs - Array of PR identifiers
     * @returns Promise resolving to array of batch results
     */
    batchPRMetadata(prs: string[]): Promise<BatchResult<unknown>[]>;
    /**
     * Batch check runs requests
     * @param commits - Array of commit objects with owner, repo, and sha
     * @returns Promise resolving to array of batch results
     */
    batchCheckRuns(commits: Array<{
        owner: string;
        repo: string;
        sha: string;
    }>): Promise<BatchResult<unknown>[]>;
    /**
     * Batch comment requests
     * @param prs - Array of PR objects with owner, repo, and number
     * @returns Promise resolving to array of batch results
     */
    batchComments(prs: Array<{
        owner: string;
        repo: string;
        number: number;
    }>): Promise<BatchResult<unknown>[]>;
}
/**
 * Create a parallel request handler for a GitHub client
 * @param client - GitHub client instance
 * @param maxConcurrency - Maximum concurrent requests (default: 5)
 * @returns New parallel request handler instance
 */
export declare function createParallelHandler(client: GitHubClient, maxConcurrency?: number): ParallelRequestHandler;
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