MIME-Version: 1.0
Content-Type: multipart/alternative;
 boundary="bound"

mime header

--bound
Content-Transfer-Encoding: binary
Content-Type: text/plain

d2UgaGF2ZQ1hIGxvdCAKb2YgAGJpbmFyeSBzdHVmZiBpbiBoZXJlCmIgYWRqaWcgc2FkamcgamFz
aWRnamlhZWhnYTN3aHQ4YTN3OGdoeGpjIGRzZ2FkIGhhc2RnaHNkIGdhc2QgZHNqZHNvZ2Egc2pk
Z2EwdzN0amhhd2pnc2VydG5pcTNuNW9xZXJqcXcycjg5cTIzaCBhd2hycWg4MzVyOGE=
--bound
Content-Type: text/plain
Content-Transfer-Encoding: binary

ZWg=
--bound
Content-Type: text/plain

hello world

--bound--

---- EXPECTED STRUCTURE ----
{
  "headers_rfc": {
    "mime_version": {
      "Text": "1.0"
    },
    "content_type": {
      "ContentType": {
        "c_type": "multipart",
        "c_subtype": "alternative",
        "attributes": {
          "boundary": "bound"
        }
      }
    }
  },
  "headers_other": {},
  "headers_offsets": [
    {
      "name": {
        "Rfc": "mime_version"
      },
      "start": 13,
      "end": 19
    },
    {
      "name": {
        "Rfc": "content_type"
      },
      "start": 32,
      "end": 76
    }
  ],
  "html_body": [
    0,
    1,
    2
  ],
  "text_body": [
    0,
    1,
    2
  ],
  "attachments": [],
  "parts": [
    {
      "Text": {
        "headers": {
          "content_type": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          },
          "content_transfer_encoding": {
            "Text": "binary"
          }
        },
        "body": "d2UgaGF2ZQ1hIGxvdCAKb2YgAGJpbmFyeSBzdHVmZiBpbiBoZXJlCmIgYWRqaWcgc2FkamcgamFz\r\naWRnamlhZWhnYTN3aHQ4YTN3OGdoeGpjIGRzZ2FkIGhhc2RnaHNkIGdhc2QgZHNqZHNvZ2Egc2pk\r\nZ2EwdzN0amhhd2pnc2VydG5pcTNuNW9xZXJqcXcycjg5cTIzaCBhd2hycWg4MzVyOGE=\r"
      }
    },
    {
      "Text": {
        "headers": {
          "content_transfer_encoding": {
            "Text": "binary"
          },
          "content_type": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          }
        },
        "body": "ZWg="
      }
    },
    {
      "Text": {
        "headers": {
          "content_type": {
            "ContentType": {
              "c_type": "text",
              "c_subtype": "plain",
              "attributes": null
            }
          }
        },
        "body": "hello world\r\n\r"
      }
    }
  ],
  "structure": {
    "List": [
      {
        "Part": 0
      },
      {
        "Part": 1
      },
      {
        "Part": 2
      }
    ]
  },
  "offset_header": 0,
  "offset_body": 78,
  "offset_end": 529
}