import { Observable } from 'rxjs/Observable';
import { SDKFetch, SDKFetchOptions } from '../SDKFetch';
import { Page } from '../Net';
export declare type MapFunc<T, K = T> = (value: T, index: number, array: T[], headers: Headers) => K;
export declare type RequestOptions<T, K> = SDKFetchOptions & {
    pageSize?: number;
    urlQuery?: {};
    mapFn?: MapFunc<T, K>;
    includeHeaders?: true;
    wrapped?: false;
    /**
     * 设置请求使用的 HTTP 方法，默认使用 'get'，如果查询内容
     * 不适合使用 GET 方法，可以提供 'post' 设置使用 POST 方法。
     */
    method?: 'get' | 'post';
};
export declare function page<T, K = T>(this: SDKFetch, state: Page.PageCountState<K>, options?: RequestOptions<T, K>): Observable<K[]>;
export declare function page<T, K = T>(this: SDKFetch, state: Page.PageTokenState<K>, options?: RequestOptions<T, K>): Observable<Page.OriginalResponse<K>>;
export declare function page<T, K = T>(this: SDKFetch, state: Page.PolyState<K>, options?: RequestOptions<T, K>): Observable<K[]> | Observable<Page.OriginalResponse<K>>;
export declare type ExpandPageOptions<T, K> = RequestOptions<T, K> & {
    mutate?: boolean;
    loadMore$?: Observable<{}>;
    skipConcat?: boolean;
};
export declare function expandPage<T, K = T>(this: SDKFetch, state: Page.PageCountState<K>, options?: ExpandPageOptions<T, K>): Observable<Page.PageCountState<K>>;
export declare function expandPage<T, K = T>(this: SDKFetch, state: Page.PageTokenState<K>, options?: ExpandPageOptions<T, K>): Observable<Page.PageTokenState<K>>;
export declare function expandPage<T, K = T>(this: SDKFetch, state: Page.PolyState<K>, options?: ExpandPageOptions<T, K>): Observable<Page.PolyState<K>>;
declare module '../SDKFetch' {
    interface SDKFetch {
        expandPage: typeof expandPage;
        page: typeof page;
    }
}