method z.Schema.prototype._refinementimport { z } from "https://dotland.deno.dev/x/fluentci@v0.13.0/deps.ts"; const { Schema } = z; _refinement(refinement: RefinementEffect<Output>["refinement"]): ZodEffects<this, Output, Input>Parametersrefinement: RefinementEffect<Output>["refinement"]ReturnsZodEffects<this, Output, Input>