import { AwsCredentialIdentityProvider, AwsCredentialIdentity, HttpResponse, HeaderBag } from '@aws-sdk/types';
import { HttpHandler, HttpRequest } from '@smithy/protocol-http';
import { AppMonitorDetails, PutRumEventsRequest, UserDetails } from './dataplane';
import { CompressionStrategy } from '../orchestration/config';
declare type SerializedRumEvent = {
    id: string;
    timestamp: number;
    type: string;
    metadata?: string;
    details: string;
};
declare type SerializedPutRumEventsRequest = {
    BatchId: string;
    AppMonitorDetails: AppMonitorDetails;
    UserDetails: UserDetails;
    SessionMetadata?: string;
    RumEvents: SerializedRumEvent[];
    Alias?: string;
};
export declare type DataPlaneClientConfig = {
    fetchRequestHandler: HttpHandler;
    beaconRequestHandler: HttpHandler;
    endpoint: URL;
    region: string;
    credentials: AwsCredentialIdentityProvider | AwsCredentialIdentity | undefined;
    headers?: HeaderBag;
    compressionStrategy?: CompressionStrategy;
};
/**
 * Signs an HttpRequest and returns the signed request.
 */
export type RequestSigner = (request: HttpRequest) => Promise<HttpRequest>;
/**
 * Pre-signs an HttpRequest (for beacon/query-string signing) and returns the signed request.
 */
export type RequestPresigner = (request: HttpRequest) => Promise<HttpRequest>;
/**
 * Computes a content hash for the given payload.
 */
export type ContentHasher = (payload: string | Uint8Array) => Promise<string>;
export declare type SigningConfig = {
    sign: RequestSigner;
    presign: RequestPresigner;
    hashAndEncode: ContentHasher;
};
export declare class DataPlaneClient {
    private config;
    private signing?;
    constructor(config: DataPlaneClientConfig, signing?: SigningConfig);
    sendFetch: (putRumEventsRequest: PutRumEventsRequest) => Promise<{
        response: HttpResponse;
    }>;
    sendBeacon: (putRumEventsRequest: PutRumEventsRequest) => Promise<{
        response: HttpResponse;
    }>;
    private getHttpRequestOptions;
}
export declare const serializeRequest: (request: PutRumEventsRequest) => SerializedPutRumEventsRequest;
export {};