interface OptionalSchema implements BaseSchema<Input<TWrapped> | undefined, TOutput>Re-exportimport { type OptionalSchema } from "https://deno.land/x/valibot@v0.30.0/mod.ts"; Optional schema type. Type ParametersTWrapped extends BaseSchemaoptionalTDefault extends Default<TWrapped> = undefinedoptionalTOutput = TDefault extends Input<TWrapped> | (() => Input<TWrapped>) ? Output<TWrapped> : Output<TWrapped> | undefinedPropertiestype: "optional"The schema type. wrapped: TWrappedThe wrapped schema. default: TDefaultReturns the default value.