{'ao1_color', 'ao1_labels', 'ao2_color', 'ao2_labels', 'ao_round', 'arrow_color', 'arrow_head_size', 'arrow_length', 'background_color', 'box_color', 'core_cutoff', 'core_height', 'draw_background', 'draw_configuration', 'draw_contributions', 'draw_core_box', 'draw_energy_labels', 'draw_level_labels', 'draw_occupancies', 'draw_orbc', 'energy_scale_color', 'energy_scale_labels', 'energy_scale_style', 'font_family', 'font_size', 'height', 'label_significant_digits', 'level_labels_style', 'level_width', 'line_width', 'main_color', 'margin', 'mo_color', 'mo_labels', 'mo_round', 'multiplicity_offset', 'name_color', 'orbc_color', 'orbc_cutoff', 'orbc_font_size', 'orbc_linestyle', 'orbc_opacity', 'outer_height', 'unit', 'width', 'x_space', 'x_space_interset'}