import { TokenResponse } from '../types/responses';
/**
 * Handles authentication token operations
 * @internal
 */
export declare class TokenApi {
    private readonly baseURL;
    private readonly requestTimeout;
    private readonly maxRetries;
    constructor(baseURL?: string);
    /**
     * Get an access token using client credentials
     * @param clientId - The client ID
     * @param clientSecret - The client secret
     * @param grantType - The grant type (default: 'client_credentials')
     * @returns Promise containing the token response
     * @throws {UnauthorizedError} If credentials are invalid
     * @throws {Error} If the request fails
     */
    getToken(clientId: string, clientSecret: string, grantType?: string): Promise<TokenResponse>;
    private makeTokenRequest;
    private validateTokenResponse;
    private createUnauthorizedError;
    private createErrorResponse;
    private shouldRetry;
    private delay;
    private generateRequestId;
}
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