import type { ParseContext, SchemaNode } from "../types.js";
import { BaseSchema } from "./base.js";
export declare class UnionSchema<T extends BaseSchema<any, any>[] = BaseSchema[]> extends BaseSchema<unknown, T[number]["_output"]> {
    private _variants;
    constructor(variants: [...T]);
    _validate(input: unknown, ctx: ParseContext): unknown;
    _children(): BaseSchema[];
    _toNode(): SchemaNode;
}
//# sourceMappingURL=union.d.ts.map