function unionimport { union } from "https://deno.land/x/valibot@v0.13.0/src/schemas/union/index.ts"; union<TUnionOptions extends UnionOptions>(union: TUnionOptions, error?: string): UnionSchema<TUnionOptions>Creates a union schema. Type ParametersTUnionOptions extends UnionOptionsParametersunion: TUnionOptionsThe union schema. optionalerror: stringThe error message. ReturnsUnionSchema<TUnionOptions>A union schema.