import MetricWithAttributes from './MetricWithAttributes';
import type { RNFBPerfNativeModule } from './types/internal';
import type { HttpMethod } from './types/perf';
export default class HttpMetric extends MetricWithAttributes {
    private readonly _url;
    private readonly _httpMethod;
    private _httpResponseCode;
    private _requestPayloadSize;
    private _responsePayloadSize;
    private _responseContentType;
    private _started;
    private _stopped;
    constructor(native: RNFBPerfNativeModule, url: string, httpMethod: HttpMethod);
    setHttpResponseCode(code: number | null): void;
    setRequestPayloadSize(bytes: number | null): void;
    setResponsePayloadSize(bytes: number | null): void;
    setResponseContentType(contentType: string | null): void;
    start(): Promise<null>;
    stop(): Promise<null>;
}
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