import { ErrorResponse, FetchCallbacks, FetchRequest } from "./interfaces";
export default class Fetcher implements FetchCallbacks {
    onResponse?: (response: Response) => void;
    onError?: (error: ErrorResponse) => void;
    onData?: (data: Record<string, any>) => void;
    constructor(callbacks: FetchCallbacks);
    fetch(request: FetchRequest): Promise<{
        headers: Headers;
        payload: any;
    }>;
    /**
     * Replaces any template in the URL with the parameters of the request
     * @param request
     */
    buildUrl(request: FetchRequest): string;
    /**
     * Builds the headers to be sent from the key-value pair headers of the configuration
     * @param request
     */
    buildHeaders(request: FetchRequest): Promise<HeadersInit>;
    buildBody(request: FetchRequest): FormData | undefined;
    processResponse(response: Response): Promise<{
        headers: Headers;
        payload: any;
    }>;
    /**
     * Converts the content to an object if possible according to the content type returned from the server
     */
    parseContent(response: Response): Promise<any>;
    handleError(error: ErrorResponse): void;
}
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