import { GraphQLFieldResolver, GraphQLType, GraphQLSchema } from 'graphql';
import { ExecutionResult } from '@graphql-tools/utils';
export declare type IMockFn = GraphQLFieldResolver<any, any>;
export interface IMocks {
    [key: string]: IMockFn;
}
/**
 * @internal
 */
export declare type IMockTypeFn = (type: GraphQLType, typeName?: string, fieldName?: string) => GraphQLFieldResolver<any, any>;
export interface IMockOptions {
    /**
     * The schema to which to add mocks. This can also be a set of type definitions instead.
     */
    schema?: GraphQLSchema;
    /**
     * The mocks to add to the schema.
     */
    mocks?: IMocks;
    /**
     * Set to `true` to prevent existing resolvers from being overwritten to provide
     * mock data. This can be used to mock some parts of the server and not others.
     */
    preserveResolvers?: boolean;
}
export interface IMockServer {
    /**
     * Executes the provided query against the mocked schema.
     * @param query GraphQL query to execute
     * @param vars Variables
     */
    query: (query: string, vars?: Record<string, any>) => Promise<ExecutionResult>;
}