import { IClient } from '../models/Client';
export interface AuthResult {
    isValid: boolean;
    clientId?: string;
    client?: IClient;
    error?: string;
}
/**
 * Hash an API key using SHA-256
 * @param apiKey - The API key to hash
 * @returns Hashed API key
 */
export declare function hashApiKey(apiKey: string): string;
/**
 * Verify an API key against a hash
 * @param apiKey - The API key to verify
 * @param hash - The stored hash to compare against
 * @returns True if API key matches hash
 */
export declare function verifyApiKey(apiKey: string, hash: string): boolean;
/**
 * Validate API key format
 * @param apiKey - API key to validate
 * @returns True if format is valid
 */
export declare function validateApiKeyFormat(apiKey: string): boolean;
/**
 * Extract client ID from API key (if embedded) or validate format
 * @param apiKey - API key
 * @returns Environment type (live/test)
 */
export declare function getApiKeyEnvironment(apiKey: string): 'live' | 'test' | null;
/**
 * Service for authentication and authorization
 */
export declare class AuthService {
    /**
     * Validates an API key and returns client information
     * @param apiKey - The API key to validate
     * @returns AuthResult with validation status and client info
     */
    static validateApiKey(apiKey: string): Promise<AuthResult>;
    /**
     * Validates API key and clientId match
     * @param apiKey - The API key
     * @param clientId - The client ID to verify
     * @returns AuthResult with validation status
     */
    static validateApiKeyAndClientId(apiKey: string, clientId: string): Promise<AuthResult>;
    /**
     * Get client information by clientId
     * @param clientId - The client ID
     * @returns Client document or null
     */
    static getClientById(clientId: string): Promise<IClient | null>;
}