/**
 * Unbound API Authentication and Verification
 */
import { UnboundModelsResponse } from "./types";
export declare class UnboundAuth {
    private baseUrl;
    private storage;
    constructor(baseUrl?: string);
    /**
     * Verify API key by calling the /models endpoint
     */
    verifyApiKey(apiKey: string): Promise<boolean>;
    /**
     * Get available models from Unbound API
     */
    getModels(apiKey: string): Promise<UnboundModelsResponse | null>;
    /**
     * Prompt user for API key interactively
     */
    promptForApiKey(): Promise<string>;
    /**
     * Get Unbound API key from environment or prompt user
     */
    getApiKey(): Promise<string>;
    /**
     * Get API key without verification
     */
    getApiKeyOnly(): Promise<string>;
    /**
     * Complete authentication flow: get API key and verify it
     */
    authenticate(): Promise<string>;
}
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