type alias EnvVarValueHandlerimport { type EnvVarValueHandler } from "https://dotland.deno.dev/x/lume@v2.4.2/deps/cliffy.ts"; Type ParametersoptionalTValue = anyoptionalTReturn = TValuedefinition: (val: TValue) => TReturnimport EnvVarValueHandlerimport { EnvVarValueHandler } from "https://dotland.deno.dev/x/lume@v2.4.2/deps/cliffy.ts";