@apollo/client/link/core/types.d.ts

import { DocumentNode, ExecutionResult } from 'graphql';
export { DocumentNode };
import { Observable } from '../../utilities';
export interface GraphQLRequest {
    query: DocumentNode;
    variables?: Record<string, any>;
    operationName?: string;
    context?: Record<string, any>;
    extensions?: Record<string, any>;
}
export interface Operation {
    query: DocumentNode;
    variables: Record<string, any>;
    operationName: string;
    extensions: Record<string, any>;
    setContext: (context: Record<string, any>) => Record<string, any>;
    getContext: () => Record<string, any>;
}
export interface FetchResult<TData = Record<string, any>, TContext = Record<string, any>, TExtensions = Record<string, any>> extends ExecutionResult<TData, TExtensions> {
    data?: TData | null | undefined;
    extensions?: TExtensions;
    context?: TContext;
}
export declare type NextLink = (operation: Operation) => Observable<FetchResult>;
export declare type RequestHandler = (operation: Operation, forward: NextLink) => Observable<FetchResult> | null;
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