/**
 * Interceptor Helper Functions
 * Handles request/response interceptor chains and transformations
 */
import type { RequestConfig } from 'fetchff';
import type { ResponseInterceptor, ErrorInterceptor, RetryInterceptor, ApiClientOptions, SetupUnifiedHandlersParams, OnRequestHandlerOptions } from '@plyaz/types/api';
/**
 * Create unified onRetry handler that triggers ApiConfig.onRetry[] and emits events
 */
export declare function createOnRetryHandler(handlers: RetryInterceptor[] | undefined): RequestConfig<unknown, unknown, unknown, unknown>['onRetry'];
/**
 * Create unified onRequest handler that triggers ApiConfig.onRequest[] and emits events
 */
export declare function createOnRequestHandler(options: OnRequestHandlerOptions): RequestConfig<unknown, unknown, unknown, unknown>['onRequest'];
/**
 * Create unified onResponse handler that triggers ApiConfig.onResponse[] and emits events
 */
export declare function createOnResponseHandler(handlers: ResponseInterceptor[] | undefined, clearTemporaryOverrides?: () => void, clearOnComplete?: boolean, encryptionConfig?: ApiClientOptions['encryption']): RequestConfig<unknown, unknown, unknown, unknown>['onResponse'];
/**
 * Create unified onError handler with ApiPackageError integration and ApiConfig.onError[] calls
 */
export declare function createOnErrorHandler(handlers: ErrorInterceptor[] | undefined, clearTemporaryOverrides?: () => void, clearOnComplete?: boolean): RequestConfig<unknown, unknown, unknown, unknown>['onError'];
export declare function setupUnifiedHandlers(params: SetupUnifiedHandlersParams): {
    onRequest: RequestConfig<unknown, unknown, unknown, unknown>['onRequest'];
    onResponse: RequestConfig<unknown, unknown, unknown, unknown>['onResponse'];
    onError: RequestConfig<unknown, unknown, unknown, unknown>['onError'];
    onRetry: RequestConfig<unknown, unknown, unknown, unknown>['onRetry'];
};
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