output multipart/form-data boundary="---------------------------9051914041544843365972754266"
---
{
  parts: {
     partName1: {
       headers: {
         "Content-Type": "text/plain"
       },
       content: null
     },
     partName2: {
       headers: {
         "Content-Type": "text/html"
       },
       content: in0.parts.partName2.content
     }
  }
}