import { AnyType, ClassType, FunctionType, ModuleType, NeverType, OverloadedType, Type, TypeVarType, UnboundType, UnionType, UnknownType } from './types';
export declare class TypeWalker {
    private _recursionCount;
    private _isWalkCanceled;
    private _hitRecursionLimit;
    get isRecursionLimitHit(): boolean;
    get isWalkCanceled(): boolean;
    walk(type: Type): void;
    cancelWalk(): void;
    visitTypeAlias(type: Type): void;
    visitUnbound(type: UnboundType): void;
    visitAny(type: AnyType): void;
    visitUnknown(type: UnknownType): void;
    visitNever(type: NeverType): void;
    visitFunction(type: FunctionType): void;
    visitOverloaded(type: OverloadedType): void;
    visitClass(type: ClassType): void;
    visitModule(type: ModuleType): void;
    visitUnion(type: UnionType): void;
    visitTypeVar(type: TypeVarType): void;
}