import { DocumentNode } from "graphql";
declare module "graphql" {
    interface DocumentNode {
        __cacheKey: string;
    }
}
declare class DocumentNodeModifier {
    private cache;
    augmentDocument(document: DocumentNode, selectionPath: string, selections: DocumentNode[]): DocumentNode;
    addSelectionToQuery(document: DocumentNode, selectionPath: string, addSelection: DocumentNode): void;
    private createCacheKey;
}
export declare function createDocumentNodeModifier(): DocumentNodeModifier;
export {};