import { GraphQLSchema, FieldNode, GraphQLArgument } from 'graphql';
import { Request, ExecutionResult } from '@graphql-tools/utils';
import { Transform, DelegationContext, SubschemaConfig } from '@graphql-tools/delegate';
export default class HoistField implements Transform {
    private readonly typeName;
    private readonly newFieldName;
    private readonly pathToField;
    private readonly oldFieldName;
    private readonly argFilters;
    private readonly argLevels;
    private readonly transformer;
    constructor(typeName: string, pathConfig: Array<string | {
        fieldName: string;
        argFilter?: (arg: GraphQLArgument) => boolean;
    }>, newFieldName: string, alias?: string);
    transformSchema(originalWrappingSchema: GraphQLSchema, subschemaConfig: SubschemaConfig, transformedSchema?: GraphQLSchema): GraphQLSchema;
    transformRequest(originalRequest: Request, delegationContext: DelegationContext, transformationContext: Record<string, any>): Request;
    transformResult(originalResult: ExecutionResult, delegationContext: DelegationContext, transformationContext: Record<string, any>): ExecutionResult;
}
export declare function wrapFieldNode(fieldNode: FieldNode, path: Array<string>, alias: string, argLevels: Record<string, number>): FieldNode;
export declare function renameFieldNode(fieldNode: FieldNode, name: string): FieldNode;
export declare function unwrapValue(originalValue: any, alias: string): any;