/**
 * Shared utilities for Claude Code hook handlers.
 *
 * Claude Code hooks receive JSON on stdin and return JSON on stdout.
 */
/**
 * Read all data from stdin as a string.
 * Times out after 5 seconds to prevent hanging on manual invocation.
 */
export declare function readStdin(): Promise<string>;
/**
 * Parse Claude Code hook input from stdin.
 * Returns the parsed JSON object, or null if parsing fails.
 */
export declare function parseHookInput(): Promise<Record<string, unknown> | null>;