/**
 * Local Hash Utilities for CLI
 * Copied from shared/hash-utils.ts to avoid TypeScript rootDir issues
 */
/**
 * Determine if the provided value is already a SHA-256 hex digest
 */
export declare function isSha256Hash(value: string): boolean;
/**
 * Hash an API key with SHA-256
 * Used for: Database storage, validation, lookups
 *
 * @param apiKey - The raw API key to hash
 * @returns SHA-256 hash as hex string (64 characters)
 */
export declare function hashApiKey(apiKey: string): string;
/**
 * Normalize any API key input to a SHA-256 hex digest
 * Leaves an existing 64-char hex hash untouched to prevent double hashing
 */
export declare function ensureApiKeyHash(apiKey: string): string;
export type ApiKeyHash = string;
export type ApiKey = string;