as_pkg_dependencies     Shorthands for dependency specifications
current_r_platform      R platforms
install_package_plan    Perform a package installation plan
install_plans           Installation plans
is_valid_package_name   Check whether a package name is valid
lib_status              Status of packages in a library
new_pkg_deps            R6 class for package dependency lookup
new_pkg_download_proposal
                        R6 class for package downloads
new_pkg_installation_plan
                        R6 class for installation from a lock file
new_pkg_installation_proposal
                        R6 class for package download and installation.
parse_pkg_refs          Parse package location references
pkg_config              pkgdepends configuration
pkg_dep_types_hard      Possible package dependency types
pkg_downloads           Package downloads
pkg_name_check          Check if an R package name is available.
pkg_refs                Package references
pkg_resolution          Dependency resolution
pkg_rx                  A set of handy regular expressions related to R
                        packages
pkg_solution            The dependency solver
pkgdepends-package      pkgdepends: Package Dependency Resolution and
                        Downloads
sysreqs_check_installed
                        Check if installed packages have all their
                        system requirements
sysreqs_db_list         List contents of the system requirements DB,
                        for a platform
sysreqs_db_match        Match system requirement descriptions to the
                        database
sysreqs_db_update       Update the cached copy of the system
                        requirements database
sysreqs_install_plan    Create an installation plan for system
                        requirements
sysreqs_is_supported    Check if a platform has system requirements
                        support
sysreqs_list_system_packages
                        List installed system packages
sysreqs_platforms       List platforms with system requirements support
