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import Maybe from '../tsutils/Maybe.d.ts';import { Visitor } from '../language/visitor.d.ts';import { ASTNode, ASTKindToNode, FieldNode } from '../language/ast.d.ts';import { GraphQLSchema } from '../type/schema.d.ts';import { GraphQLDirective } from '../type/directives.d.ts';import {  GraphQLType,  GraphQLInputType,  GraphQLOutputType,  GraphQLCompositeType,  GraphQLField,  GraphQLArgument,  GraphQLEnumValue,} from '../type/definition.d.ts';
/** * TypeInfo is a utility class which, given a GraphQL schema, can keep track * of the current field and type definitions at any point in a GraphQL document * AST during a recursive descent by calling `enter(node)` and `leave(node)`. */export class TypeInfo {  constructor(    schema: GraphQLSchema,    // NOTE: this experimental optional second parameter is only needed in order    // to support non-spec-compliant code bases. You should never need to use it.    // It may disappear in the future.    getFieldDefFn?: getFieldDef,    // Initial type may be provided in rare cases to facilitate traversals    // beginning somewhere other than documents.    initialType?: GraphQLType,  );
  getType(): Maybe<GraphQLOutputType>;  getParentType(): Maybe<GraphQLCompositeType>;  getInputType(): Maybe<GraphQLInputType>;  getParentInputType(): Maybe<GraphQLInputType>;  getFieldDef(): GraphQLField<any, Maybe<any>>;  getDefaultValue(): Maybe<any>;  getDirective(): Maybe<GraphQLDirective>;  getArgument(): Maybe<GraphQLArgument>;  getEnumValue(): Maybe<GraphQLEnumValue>;  enter(node: ASTNode): any;  leave(node: ASTNode): any;}
type getFieldDef = (  schema: GraphQLSchema,  parentType: GraphQLType,  fieldNode: FieldNode,) => Maybe<GraphQLField<any, any>>;
/** * Creates a new visitor instance which maintains a provided TypeInfo instance * along with visiting visitor. */export function visitWithTypeInfo(  typeInfo: TypeInfo,  visitor: Visitor<ASTKindToNode>,): Visitor<ASTKindToNode>;