<init>(org.jruby.ext.ffi.NativeType nativeType, org.jruby.runtime.builtin.IRubyObject enums)fromNative(org.jruby.runtime.ThreadContext context, org.jruby.runtime.builtin.IRubyObject obj)toNative(org.jruby.runtime.ThreadContext context, org.jruby.runtime.builtin.IRubyObject obj)isPostInvokeRequired() · also: is_post_invoke_requiredisReferenceRequired() · also: is_reference_required