import '../expect-extend/index.js';
import { ApiExpectBase } from './api-expect-base.js';
import { ApiExpectCollection } from './api-expect-collection.js';
import { ApiExpectError } from './api-expect-error.js';
import { ApiExpectObject } from './api-expect-object.js';
import { ApiExpectOperationResult } from './api-expect-operation-result.js';
/**
 * Main entry point for API assertions.
 *
 * @class ApiExpect
 */
export declare class ApiExpect extends ApiExpectBase {
    /**
     * Asserts that the request was successful (status code 200-399).
     *
     * @param status Optional expected status code.
     * @returns The current ApiExpect instance.
     * @throws {@link Error} if the assertion fails.
     */
    toSuccess(status?: number): this;
    /**
     * Asserts that the request failed (status code 400-599).
     *
     * @param status Optional expected status code.
     * @returns An {@link ApiExpectError} instance.
     * @throws {@link Error} if the assertion fails.
     */
    toFail(status?: number): ApiExpectError;
    /**
     * Asserts that the API returned a Collection.
     *
     * @returns An {@link ApiExpectCollection} instance.
     * @throws {@link Error} if the assertion fails.
     */
    toReturnCollection(): ApiExpectCollection;
    /**
     * Asserts that the API returned an Object.
     *
     * @param contentType Optional expected Content-Type header value.
     * @returns An {@link ApiExpectObject} instance.
     * @throws {@link Error} if the assertion fails.
     */
    toReturnObject(contentType?: string): ApiExpectObject;
    /**
     * Asserts that the API returned an OperationResult.
     *
     * @returns An {@link ApiExpectOperationResult} instance.
     * @throws {@link Error} if the assertion fails.
     */
    toReturnOperationResult(): ApiExpectOperationResult;
    protected _parseBodyErrors(errors: any[]): string | undefined;
}