| 1 | import { ApolloClient, ApolloError, OperationVariables, SubscriptionOptions } from 'apollo-client';
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| 2 | import { DocumentNode } from 'graphql';
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| 3 | import { Omit } from './utils';
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| 4 | export declare type OnSubscriptionData<TData> = (options: OnSubscriptionDataOptions<TData>) => any;
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| 5 | export interface OnSubscriptionDataOptions<TData> {
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| 6 | client: ApolloClient<any>;
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| 7 | subscriptionData: SubscriptionHookResult<TData>;
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| 8 | }
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| 9 | export interface SubscriptionHookOptions<TData, TVariables, TCache = object> extends Omit<SubscriptionOptions<TVariables>, 'query'> {
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| 10 | skip?: boolean;
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| 11 | onSubscriptionData?: OnSubscriptionData<TData>;
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| 12 | client?: ApolloClient<TCache>;
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| 13 | }
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| 14 | export interface SubscriptionHookResult<TData> {
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| 15 | data?: TData;
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| 16 | error?: ApolloError;
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| 17 | loading: boolean;
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| 18 | }
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| 19 | export declare function useSubscription<TData = any, TVariables = OperationVariables, TCache = object>(query: DocumentNode, { onSubscriptionData, client: overrideClient, ...options }?: SubscriptionHookOptions<TData, TVariables, TCache>): SubscriptionHookResult<TData>;
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