type alias OptionValueHandlerimport { type OptionValueHandler } from "https://dotland.deno.dev/x/lume@v1.13.2/deps/cliffy.ts"; Type ParametersoptionalTValue = anyoptionalTReturn = TValuedefinition: ValueHandler<TValue, TReturn>import OptionValueHandlerimport { OptionValueHandler } from "https://dotland.deno.dev/x/lume@v1.13.2/deps/cliffy.ts";