import { Ref, UnwrapNestedRefs } from 'vue-demi';
declare type ArgumentsTuple = [any, ...unknown[]] | readonly [any, ...unknown[]];
export declare type Arguments = string | ArgumentsTuple | Record<any, any> | null | undefined | false;
export declare type Key = Arguments | (() => Arguments);
export interface Cache<Data = any> {
    get(key: Key): Data | null | undefined;
    set(key: Key, value: Data): void;
    delete(key: Key): void;
}
export declare type VoidFn = () => void;
export declare type Conditions<T> = {
    [K in keyof T]: T[K];
};
export declare type OnConditionsChangeReturnValue<C> = Partial<UnwrapNestedRefs<C>>;
export declare type OnConditionsChangeContext<O> = (newConditions: OnConditionsChangeReturnValue<O>, oldConditions: OnConditionsChangeReturnValue<O>) => void;
export interface OnFetchErrorContext<T = any, E = any> {
    error: E;
    data: T | null;
}
declare type MutateData = (newData: any) => void;
declare type MutateFunction = (arg: (oldData: any) => any) => void;
export interface Mutate extends MutateData, MutateFunction {
}
export interface HistoryOptions<K> {
    sync: {
        currentRoute: any;
        replace: (string: any) => any;
        push: (string: any) => any;
    };
    navigation?: 'push' | 'replace';
    ignore?: Array<K>;
}
export interface Config<Cond = Record<string, any>, Result = unknown, AfterFetchResult extends unknown = Result> {
    fetcher: (...args: any) => Promise<Result>;
    conditions?: Cond;
    defaultParams?: Record<string, any>;
    immediate?: boolean;
    manual?: boolean;
    initialData?: any;
    history?: HistoryOptions<keyof Cond>;
    pollingInterval?: number | Ref<number>;
    pollingWhenHidden?: boolean;
    pollingWhenOffline?: boolean;
    revalidateOnFocus?: boolean;
    cacheProvider?: () => Cache<any>;
    beforeFetch?: (conditions: Cond, cancel: VoidFn) => Promise<Partial<Cond>> | Partial<Cond>;
    afterFetch?: (data: Result) => Promise<AfterFetchResult extends Result ? Result : AfterFetchResult> | AfterFetchResult extends Result ? Result : AfterFetchResult;
    onFetchError?: (ctx: OnFetchErrorContext) => Promise<Partial<OnFetchErrorContext>> | Partial<OnFetchErrorContext>;
}
export interface UseConditionWatcherReturn<Cond, Result> {
    conditions: UnwrapNestedRefs<Cond>;
    readonly isFetching: Ref<boolean>;
    readonly loading: Ref<boolean>;
    readonly data: Readonly<Ref<Result | undefined>>;
    readonly error: Ref<any | undefined>;
    execute: (throwOnFailed?: boolean) => void;
    mutate: Mutate;
    resetConditions: (conditions?: object) => void;
    onConditionsChange: (fn: OnConditionsChangeContext<Cond>) => void;
    onFetchSuccess: (fn: (response: any) => void) => void;
    onFetchError: (fn: (error: any) => void) => void;
    onFetchFinally: (fn: (error: any) => void) => void;
}
export {};