/**
 * HumancyHttpClient - HTTP client for humancy-cloud REST API
 *
 * Provides REST API communication with retry logic and authentication.
 */
import { type HttpClientConfig, type CreateDecisionApiRequest, type DecisionCreatedResponse, type DecisionApiResponse } from './types.js';
/**
 * HTTP client for communicating with humancy-cloud API
 */
export declare class HumancyHttpClient {
    private readonly config;
    constructor(config?: Partial<HttpClientConfig>);
    /**
     * Create a new decision request
     *
     * POST /decisions
     */
    createDecision(request: CreateDecisionApiRequest): Promise<DecisionCreatedResponse>;
    /**
     * Get decision details by ID
     *
     * GET /decisions/:id
     */
    getDecision(id: string): Promise<DecisionApiResponse>;
    /**
     * Get the SSE events URL for a decision
     * Includes token as query parameter since SSE endpoints use query-based auth
     */
    getEventsUrl(decisionId: string): string;
    /**
     * Get the base URL
     */
    getBaseUrl(): string;
    /**
     * Check if client is authenticated
     */
    isAuthenticated(): boolean;
    /**
     * Get authorization headers
     */
    getAuthHeaders(): Record<string, string>;
    /**
     * Get common request headers
     */
    private getHeaders;
    /**
     * Fetch with timeout using AbortController
     */
    private fetchWithTimeout;
    /**
     * Retry logic with exponential backoff for transient failures
     */
    private withRetry;
    /**
     * Check if an error is retriable
     */
    private isRetryable;
    /**
     * Sleep for specified milliseconds
     */
    private sleep;
}
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