NoiseException.this - multiple declarations

Function NoiseException.this

this (
  string message,
  int error,
  string file = __FILE__,
  ulong line = cast(ulong)__LINE__,
  object.Throwable next = null
) pure nothrow @trusted;

Function NoiseException.this

this (
  string message,
  string file = __FILE__,
  ulong line = cast(ulong)__LINE__,
  object.Throwable next = null
) pure nothrow @safe;