Obtain a list of all available built-in bslib themes.
builtin_themes(version = version_default(), full_path = FALSE)Returns a character vector of built-in themes provided by bslib.
the major version of Bootstrap.
whether to return a path to the installed theme.
Other Bootstrap theme utility functions:
bootswatch_themes(),
bs_get_variables(),
theme_bootswatch(),
theme_version(),
versions()