import type { Readable } from 'svelte/store';
import type { ChannelErrorData, ConnectionStatus, Options } from 'datocms-listen';
declare type Maybe<T> = T | null;
export declare type SubscribeToQueryOptions<QueryResult, QueryVariables> = Omit<Options<QueryResult, QueryVariables>, 'onStatusChange' | 'onUpdate' | 'onChannelError'>;
export declare type EnabledQueryListenerOptions<QueryResult, QueryVariables> = {
    /** Whether the subscription has to be performed or not */
    enabled?: true;
    /** The initial data to use while the initial request is being performed */
    initialData?: QueryResult;
} & SubscribeToQueryOptions<QueryResult, QueryVariables>;
export declare type DisabledQueryListenerOptions<QueryResult, QueryVariables> = {
    /** Whether the subscription has to be performed or not */
    enabled: false;
    /** The initial data to use while the initial request is being performed */
    initialData?: QueryResult;
} & Partial<SubscribeToQueryOptions<QueryResult, QueryVariables>>;
export declare type QueryListenerOptions<QueryResult, QueryVariables> = EnabledQueryListenerOptions<QueryResult, QueryVariables> | DisabledQueryListenerOptions<QueryResult, QueryVariables>;
export declare type QuerySubscriptionState<QueryResult = unknown> = {
    error: Maybe<ChannelErrorData>;
    data: Maybe<QueryResult>;
    status: ConnectionStatus;
};
export declare function useQuerySubscription<QueryResult = unknown, QueryVariables = Record<string, unknown>>(options: QueryListenerOptions<QueryResult, QueryVariables>): Readable<QuerySubscriptionState<QueryResult>>;
export {};