import { RelayObservable } from 'relay-runtime/lib/network/RelayObservable';
import { RelayLink } from '../link';
import { NextLink, Operation, OperationResponse } from '../types';
export default class SetContextLink extends RelayLink {
    private setContext;
    constructor(setContext: Record<string, any> | ((context: Record<string, any>) => Record<string, any>));
    request(operation: Operation, forward: NextLink): RelayObservable<OperationResponse>;
}
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