import { Encoding, LDHeaders, Requests, ServiceEndpoints } from '@launchdarkly/js-sdk-common';
import { DataSourcePaths } from '../DataSourceConfig';
/**
 * Response from an FDv2 poll request, providing access to status code,
 * headers, and body.
 */
export interface FDv2PollResponse {
    status: number;
    headers: {
        get(name: string): string | null;
    };
    body: string | null;
}
/**
 * Makes HTTP requests to FDv2 polling endpoints and returns full response
 * information including status code and headers.
 */
export interface FDv2Requestor {
    /**
     * Perform a poll request.
     *
     * @param basis Optional opaque state string from the most recent
     *   `payload-transferred` event, enabling delta-based updates.
     * @returns The full HTTP response.
     */
    poll(basis?: string): Promise<FDv2PollResponse>;
}
/**
 * Creates an {@link FDv2Requestor} for client-side FDv2 polling.
 *
 * @param plainContextString The JSON-serialized evaluation context.
 * @param serviceEndpoints Service endpoint configuration.
 * @param paths FDv2 polling endpoint paths.
 * @param requests Platform HTTP abstraction.
 * @param encoding Platform encoding abstraction.
 * @param baseHeaders Default HTTP headers (e.g. authorization).
 * @param baseQueryParams Additional query parameters to include on every request.
 * @param usePost If true, use POST with context in body instead of GET with
 *   context in URL path.
 */
export declare function makeFDv2Requestor(plainContextString: string, serviceEndpoints: ServiceEndpoints, paths: DataSourcePaths, requests: Requests, encoding: Encoding, baseHeaders?: LDHeaders, baseQueryParams?: {
    key: string;
    value: string;
}[], usePost?: boolean): FDv2Requestor;
//# sourceMappingURL=FDv2Requestor.d.ts.map