| data | Data payload of this section. | 
Raw data section, unnamed and no Content-Type header.
Will not include either a filename or a Content-Type section header.
| name | Section name. | 
| data | Data payload of this section. | 
Raw data section with a section name, no Content-Type header.
Identical to the prior constructor, but with a section name included.
| name | Section name. | 
| data | Data payload of this section. | 
| contentType | The value for this section's Content-Type header. | 
                  
A raw data section with a section name and a Content-Type header.
| name | Section name. | 
| data | String data payload for this section. | 
| contentType | The value for this section's Content-Type header. | 
                  
| encoding | An encoding to marshal data to or from raw bytes. | 
                  
A named raw data section whose payload is derived from a string, with a Content-Type header.
        data will be encoded into raw bytes using encoding.
| name | Section name. | 
| data | String data payload for this section. | 
| contentType | C. | 
A named raw data section whose payload is derived from a UTF8 string, with a Content-Type header.
For UTF8 strings with custom Content-Type headers, use this constructor. data will be assumed to be in UTF8 encoding and converted to raw bytes appropriately.
| name | Section name. | 
| data | String data payload for this section. | 
A names raw data section whose payload is derived from a UTF8 string, with a default Content-Type.
For UTF8 strings, use this constructor. data will be assumed to be in UTF8 encoding and converted appropriately. The section will be assigned a Content-Type of text/plain; encoding=utf8.
| data | String data payload for this section. | 
An anonymous raw data section whose payload is derived from a UTF8 string, with a default Content-Type.
Identical to the above, but without a section name.