import { type DocumentNode } from 'graphql';
/**
 * Given a query like the one below this function will return
 * `FindBlogPostQuery`
 *
 * ```
 *   export const QUERY = gql`
 *     query FindBlogPostQuery($id: Int!) {
 *       blogPost: post(id: $id) {
 *         id
 *         title
 *         body
 *         createdAt
 *       }
 *     }
 *   `
 * ```
 *
 * @param {DocumentNode} document
 *   graphql query or mutation to get the operation name for
 * @returns {string} empty string if no operation name could be found
 */
export declare function getOperationName(document: DocumentNode): string;
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