import type { DefinitionNode, FieldNode, FragmentDefinitionNode, InlineFragmentNode, ListTypeNode, NonNullTypeNode, OperationDefinitionNode, SelectionNode, TypeNode } from 'graphql';
export declare function isOperationDefinitionNode(node: DefinitionNode): node is OperationDefinitionNode;
export declare function isFragmentDefinitionNode(node: DefinitionNode): node is FragmentDefinitionNode;
export declare function isListTypeNode(node: TypeNode): node is ListTypeNode;
export declare function isNonNullTypeNode(node: TypeNode): node is NonNullTypeNode;
export declare function isFieldNode(node: SelectionNode): node is FieldNode;
export declare function isInlineFragmentNode(node: SelectionNode): node is InlineFragmentNode;