import { Reducer, Store, StoreDef } from '@ngneat/elf';
import { MonoTypeOperatorFunction, Observable } from 'rxjs';
import { RequestsCacheState, skipWhileCached, updateRequestCache } from './requests-cache';
import { RecordKeys, RequestsStatusState, selectRequestStatus, trackRequestStatus } from './requests-status';
type KeyProp = {
    key: any;
};
type ReturnedData<DataKey extends string, Data, Error> = {
    [K in 'loading' | 'error' | DataKey]: K extends DataKey ? Data : K extends 'loading' ? boolean : K extends 'error' ? Error : never;
};
export type DataSource<S, DataKey extends string, Data, Error> = {
    trackRequestStatus: <T>(options?: Parameters<typeof trackRequestStatus>[2]) => MonoTypeOperatorFunction<T>;
    setSuccess(): Reducer<S>;
    data$: () => Observable<ReturnedData<DataKey, Data, Error>>;
} & (S extends RequestsCacheState ? {
    skipWhileCached: <T>(options?: Parameters<typeof skipWhileCached>[2]) => MonoTypeOperatorFunction<T>;
    setCached(options?: Parameters<typeof updateRequestCache>[1]): Reducer<S>;
} : Record<any, any>);
export type DynamicKeyDataSource<S, DataKey extends string, Data, Error> = {
    trackRequestStatus: <T>(options: KeyProp & Parameters<typeof trackRequestStatus>[2]) => MonoTypeOperatorFunction<T>;
    setSuccess(options: KeyProp): Reducer<S>;
    data$: (options: KeyProp) => Observable<ReturnedData<DataKey, Data, Error>>;
} & (S extends RequestsCacheState ? {
    skipWhileCached: <T>(options: KeyProp & Parameters<typeof skipWhileCached>[2]) => MonoTypeOperatorFunction<T>;
    setCached(options: KeyProp & Parameters<typeof updateRequestCache>[1]): Reducer<S>;
} : Record<any, any>);
interface DataSourceCreationDefaultParams<S extends RequestsStatusState, DataKey extends string> {
    store: Store<StoreDef<S>>;
    dataKey: DataKey;
    idleAsPending?: boolean;
    requestStatusOptions?: Parameters<typeof selectRequestStatus>[1];
}
interface DataSourceCreationParams<Data, S extends RequestsStatusState, RequestKey extends RecordKeys<S>, DataKey extends string> extends DataSourceCreationDefaultParams<S, DataKey> {
    data$: () => Observable<Data>;
    requestKey: RequestKey;
}
interface DynamicKeyDataSourceCreationParams<Data, S extends RequestsStatusState, DataKey extends string> extends DataSourceCreationDefaultParams<S, DataKey> {
    data$: (key: any) => Observable<Data>;
}
export declare function createRequestDataSource<Data, S extends RequestsStatusState, RequestKey extends RecordKeys<S>, DataKey extends string, Error = unknown>(params: DataSourceCreationParams<Data, S, RequestKey, DataKey>): DataSource<S, DataKey, Data, Error>;
export declare function createRequestDataSource<Data, S extends RequestsStatusState, DataKey extends string, Error = unknown>(params: DynamicKeyDataSourceCreationParams<Data, S, DataKey>): DynamicKeyDataSource<S, DataKey, Data, Error>;
export {};