import type { FeeQuote, FeeQuoteRequest, SubmitResult, SubmitPSBTRequest, VerificationResult, VerifyTransferRequest } from '../types';
export interface IServiceClient {
    generateFeeQuote(request: FeeQuoteRequest): Promise<FeeQuote>;
    signPsbt(request: SubmitPSBTRequest): Promise<SubmitResult>;
    verifyTransfer(request: VerifyTransferRequest): Promise<VerificationResult>;
    getConfig(): Readonly<ServiceClientConfig>;
    setTimeout(timeout: number): void;
    cleanup(): Promise<void>;
}
export interface ServiceClientConfig {
    apiKey: string;
    baseUrl: string;
    timeout?: number;
    maxRetries?: number;
    retryDelay?: number;
    headers?: Record<string, string>;
}
export declare const DEFAULT_SERVICE_CLIENT_CONFIG: Required<Omit<ServiceClientConfig, 'apiKey' | 'baseUrl' | 'headers'>>;
export declare function validateServiceClientConfig(config: ServiceClientConfig): void;
export declare function mergeServiceClientConfig(config: ServiceClientConfig): Required<ServiceClientConfig>;
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