- var headers: nullable HeaderMap writable = null
- var headers_body: nullable HeaderMap writable = null
- var from: nullable String writable = null
- var to: nullable Array[String] writable = null
- var cc: nullable Array[String] writable = null
- var bcc: nullable Array[String] writable = null
- var subject: nullable String writable = ""
- var body: nullable String writable = ""
+ var headers: nullable HeaderMap = null is writable
+ var headers_body: nullable HeaderMap = null is writable
+ var from: nullable String = null is writable
+ var to: nullable Array[String] = null is writable
+ var cc: nullable Array[String] = null is writable
+ var bcc: nullable Array[String] = null is writable
+ var subject: nullable String = "" is writable
+ var body: nullable String = "" is writable