import ts from "typescript";
export declare class Visitor<T, TModelNode> {
    private _queue;
    it(): Generator<VisitorEntities<T, TModelNode>, void, unknown>;
    push(nodes: T | readonly T[] | undefined, parentDescriptor: TModelNode | undefined, srcFile: ts.SourceFile, isInput?: boolean): this;
    clear(): this;
    get length(): number;
}
export interface VisitorEntities<T, TModelNode> {
    node: T;
    parentDescriptor: TModelNode | undefined;
    srcFile: ts.SourceFile;
    isInput: boolean | undefined;
}