import { ValidationContext } from "../ValidationContext";
import { ASTVisitor } from "../../language/visitor";

export function unusedFragMessage(fragName: string): string;

/**
 * No unused fragments
 *
 * A GraphQL document is only valid if all fragment definitions are spread
 * within operations, or spread within other fragments spread within operations.
 */
export function NoUnusedFragments(context: ValidationContext): ASTVisitor;