import { APICredentials } from './types.js';
/**
 * Get real credentials for a provider
 * Returns null if provider not supported
 */
export declare function getCredentials(providerId: string): APICredentials | null;
/**
 * Check if a provider has real (non-demo) credentials available
 */
export declare function hasRealCredentials(providerId: string): boolean;
/**
 * List all supported providers
 */
export declare function listProviders(): string[];
/**
 * Get credential type for a provider
 */
export declare function getCredentialType(providerId: string): string | null;
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