Method mapFields

packages/effect/src/Schema.ts:14148–14155

(
      f: (fields: S["fields"]) => To,
      options?: {
        readonly unsafePreserveChecks?: boolean | undefined
      } | undefined
    )

      }
    }
    static mapFields<To extends Struct.Fields>(
      f: (fields: S["fields"]) => To,
      options?: {
        readonly unsafePreserveChecks?: boolean | undefined
      } | undefined
    ): Struct<Simplify<Readonly<To>>> {
      return struct.mapFields(f, options)
    }
  }

  if (proto !== undefined) {