The runtime class field information.
See:
Properties
The documentation of the field. This information is only available
if the compiler flag -D use_rtti_doc
was in place. Otherwise, or
if the field has no documentation, the value is null
.
The line number where the field is defined. This information is only
available if the field has an expression.
Otherwise the value is null
.
overloads:Null<List<ClassField>>
The list of available overloads for the fields or null
if no overloads
exists.