/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import {
  ReaderFragment,
  ReaderInlineDataFragment,
  ReaderPaginationFragment,
  ReaderRefetchableFragment,
} from '../util/ReaderNode';
import { ConcreteRequest } from '../util/RelayConcreteNode';

// The type of a graphql`...` tagged template expression.
export type GraphQLTaggedNode =
    | ReaderFragment
    | ConcreteRequest
    | ReaderInlineDataFragment
    | (() => ReaderFragment | ConcreteRequest | ReaderInlineDataFragment);

/**
 * Runtime function to correspond to the `graphql` tagged template function.
 * All calls to this function should be transformed by the plugin.
 */
export function graphql(strings: unknown): GraphQLTaggedNode;

export function getNode(taggedNode: unknown): unknown;

export function isFragment(node: GraphQLTaggedNode): boolean;

export function isRequest(node: GraphQLTaggedNode): boolean;

export function isInlineDataFragment(node: GraphQLTaggedNode): boolean;

export function getFragment(taggedNode: GraphQLTaggedNode): ReaderFragment;

export function getPaginationFragment(taggedNode: GraphQLTaggedNode): ReaderPaginationFragment | null;

export function getRefetchableFragment(taggedNode: GraphQLTaggedNode): ReaderRefetchableFragment | null;

export function getRequest(taggedNode: GraphQLTaggedNode): ConcreteRequest;

export function getInlineDataFragment(taggedNode: GraphQLTaggedNode): ReaderInlineDataFragment;