.. toctree:: backend_bases_api.rst backend_managers_api.rst backend_mixed_api.rst backend_tools_api.rst backend_agg_api.rst backend_cairo_api.rst backend_gtkagg_api.rst backend_gtkcairo_api.rst backend_gtk3agg_api.rst backend_gtk3cairo_api.rst backend_nbagg_api.rst backend_pdf_api.rst backend_pgf_api.rst backend_ps_api.rst backend_qt4agg_api.rst backend_qt4cairo_api.rst backend_qt5agg_api.rst backend_qt5cairo_api.rst backend_svg_api.rst backend_tkagg_api.rst backend_webagg_api.rst backend_wxagg_api.rst