import { Decorator } from "../decorator/decorator.js";
import { Ast, AstArray, AstDecorator, AstPrimitive, AstUnion } from "./ast.js";
import { EstimateType } from "./estimate_type.js";
export declare function any(): AstPrimitive;
export declare function or<T extends Ast>(types: T[]): AstUnion<T>;
export declare function union<T extends Ast>(types: T[]): AstUnion<T>;
export declare function array<T extends Ast>(of: T): AstArray<T>;
export declare function decorate<T extends Ast>(of: T, decorator: Decorator<EstimateType<T>>): AstDecorator<T>;
export declare function decorate<T extends Ast>(of: T, decorators: Decorator<EstimateType<T>>[]): AstDecorator<T>;
export declare function optional<T extends Ast>(of: T): AstUnion<T | undefined>;