import { State } from '@notiz/toolbelt/state';
import { Observable } from 'rxjs';
export type QueryStatus = 'loading' | 'success' | 'error' | 'refreshing' | 'mutating';
export interface QueryState<T> {
    status: QueryStatus;
    error?: any;
    data?: T;
}
export interface QueryOptions {
    retry?: number;
    retryDelay?: number;
    refreshInterval?: number;
    refreshOnWindowFocus?: boolean;
    refreshOnNetworkStatusChange?: boolean;
    refreshDebounce?: number;
}
export declare class Query<T> extends State<QueryState<T>> {
    private query;
    private options;
    data$: Observable<T | undefined>;
    error$: Observable<any>;
    status$: Observable<QueryStatus>;
    constructor(query: Observable<T>, options?: QueryOptions);
    private observe;
    refresh(): void;
}