partial void Updatea_presentation_presenter(a_presentation_presenter instance);
partial void Deletea_presentation_presenter(a_presentation_presenter instance);
partial void Inserta_presentation_presenter(a_presentation_presenter instance);
partial void Updatea_presentation_presenter(a_presentation_presenter instance);
partial void Deletea_presentation_presenter(a_presentation_presenter instance);
partial void Inserta_presentation_presenter(a_presentation_presenter instance);