| import type { Maybe } from '../jsutils/Maybe'; |
| import type { DocumentNode, OperationDefinitionNode } from '../language/ast'; |
| /** |
| * Returns an operation AST given a document AST and optionally an operation |
| * name. If a name is not provided, an operation is only returned if only one is |
| * provided in the document. |
| */ |
| export declare function getOperationAST( |
| documentAST: DocumentNode, |
| operationName?: Maybe<string>, |
| ): Maybe<OperationDefinitionNode>; |