element_roundrect       round rectangle borders and backgrounds
facet_set               facet_set
get_aes_var             get_aes_var
ggbreak2ggplot          ggbreak2ggplot
gglegend                gglegend
identify.gg             identify
is.ggbreak              is.ggbreak
is.ggtree               is.ggtree
keybox                  keybox
set_font                set_font
theme_nothing           theme_nothing
theme_noxaxis           theme_noxaxis
theme_stamp             set the theme of ggplot object with the striped
                        background style.
theme_transparent       theme_transparent
yrange                  plot range of a ggplot object
