Gvn cheader_filename="gvn/gvn.h"

value_new_with_content skip=false parent="Gvn.Value" name="new_with_content"
value_get_valist skip=false parent="Gvn.Value" name="get_valist"

Param.value_changed#method name="emit_value_changed"

//FIXME
//ParamSpec struct