import { FieldDefinitionNode, DirectiveNode, ObjectTypeDefinitionNode, InterfaceTypeDefinitionNode } from 'graphql';
import { Transformer, TransformerContext } from 'graphql-transformer-core';
export declare class CustomVTLTransformer extends Transformer {
    readonly rootDirectory: string;
    constructor(rootDirectory: string);
    before: (acc: TransformerContext) => void;
    field: (parent: ObjectTypeDefinitionNode | InterfaceTypeDefinitionNode, field: FieldDefinitionNode, directive: DirectiveNode, acc: TransformerContext) => void;
}