| apicheck-package | apicheck: check function APIs in different versions of... |
| api_same_at | Test if a function's API is unchanged |
| available_versions | Report available versions |
| cached_install | Install and/or load a version of a package |
| call_with_namespace | Load a package namespace and pass it to a function |
| compare_versions | Compare versions of a package |
| fun_at | Retrieve a function from a package version |
| fun_exists_at | Test if a function exists at a given package version |
| help_at | Get help for a function at a package version |
| package_report | Report on backwards compatibility of a source package |
| set_lib_dir | Location of the package cache |
| version_at_date | Return the current version of a package at a given date |
| when_api_same | Compare APIs across package versions |
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