/**
 * Returns a promise that will be fulfilled with the result of an HTTP GET request to a YouTrack REST resource.
 *
 * This method sets the HTTP Authorization header if it is known due to a previous call to
 * {@link handlePotentialOauthRedirect}(). If no authorization is available, this method rejects the promise
 * immediately.
 *
 * @typeparam T the type of the response by YouTrack (after parsing the JSON)
 * @param baseUrl The YouTrack base URL to which relative paths like `youtrack/api/...` or `hub/api/...` will be
 *     appended. The base URL is expected to end in a slash (/). For an InCloud instance, this is of form
 *     `https://<name>.myjetbrains.com/`.
 * @param resourcePath relative path to the REST API resource requested
 * @param queryParams parameters that will be added to the query string
 * @return A promise that in case of success will be fulfilled with the retrieved object. In case of any failure, it
 *     will be rejected with a {@link Failure}.
 */
export declare function httpGet<T>(baseUrl: string, resourcePath: string, queryParams?: {
    [param: string]: string;
}): Promise<T>;
/**
 * Returns a promise that will be fulfilled with the result of an HTTP GET request to a YouTrack REST array resource.
 *
 * This method sets the HTTP Authorization header if it is known due to a previous call to
 * {@link handlePotentialOauthRedirect}(). If no authorization is available, this method rejects the promise
 * immediately.
 *
 * @typeparam T the element type of the array response by YouTrack (after parsing the JSON)
 * @param baseUrl The YouTrack base URL. See also {@link httpGet}().
 * @param resourcePath relative path to the REST API resource requested
 * @param queryParams parameters that will be added to the query string
 * @param restBatchSize Number of elements per HTTP request. Larger values are faster, but increase the risk of
 *     transmission problems (or outright rejection by future YouTrack versions that may have rate limitations).
 * @return A promise that in case of success will be fulfilled with the retrieved array. In case of any failure, it
 *     will be rejected with a {@link Failure}.
 */
export declare function httpGetAll<T>(baseUrl: string, resourcePath: string, queryParams: {
    [param: string]: string;
}, restBatchSize: number): Promise<T[]>;
/**
 * Returns a promise that will be fulfilled with a transformation of the result of an HTTP GET request to a YouTrack
 * REST array resource.
 *
 * This method sets the HTTP Authorization header if it is known due to a previous call to
 * {@link handlePotentialOauthRedirect}(). If no authorization is available, this method rejects the promise
 * immediately.
 *
 * @typeparam T the element type of the array response by YouTrack (after parsing the JSON)
 * @typeparam U the return type of `processBatch()` and therefore also this function
 * @param baseUrl The YouTrack base URL. See also {@link httpGet}().
 * @param resourcePath relative path to the REST API resource requested
 * @param queryParams parameters that will be added to the query string
 * @param restBatchSize Number of elements per HTTP request. See also {@link httpGetAll}().
 * @param processBatch callback called for the result of each individual HTTP request
 * @param processBatch.batch the retrieved array
 * @param processBatch.previous the state returned by the previous invocation of `processBatch()`, or the value of
 *     `initial` if this is the first invocation
 * @param initial the value passed to the first invocation of `processBatch()` as argument `initial`
 * @return A promise that in case of success will be fulfilled with the last result of `processBatch()`. In case of any
 *     failure, it will be rejected with a {@link Failure}.
 */
export declare function httpGetAllWithOptions<T, U>(baseUrl: string, resourcePath: string, queryParams: {
    [param: string]: string;
}, restBatchSize: number, processBatch: (batch: T[], previous: U) => U, initial: U): Promise<U>;
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