MONO_API MonoCustomAttrInfo* mono_custom_attrs_from_param (MonoMethod *method, uint32_t param);
MONO_API mono_bool mono_custom_attrs_has_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass);
MONO_API MonoObject* mono_custom_attrs_get_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass);
MONO_API MonoCustomAttrInfo* mono_custom_attrs_from_param (MonoMethod *method, uint32_t param);
MONO_API mono_bool mono_custom_attrs_has_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass);
MONO_API MonoObject* mono_custom_attrs_get_attr (MonoCustomAttrInfo *ainfo, MonoClass *attr_klass);