TlsAlertException.this

this

(string msg,  ubyte  level,  ubyte  description,
          string file =  __FILE__,  size_t line =  __LINE__,
          Throwable next =  null)

Constructs a TLS alert exception.

`msg`	The error message.
`level`	The TLS alert level.
`description`	The TLS alert description code.
`file`	Source file where the exception was thrown.
`line`	Line number where the exception was thrown.
`next`	Optional chained exception.