OVERVIEW: Swift API Extract

USAGE: swift-frontend

OPTIONS:
  -clang-target <value> Separately set the target we should use for internal Clang instance
  -external-plugin-path <path>#<plugin-server-path>
                        Add directory to the plugin search path with a plugin server executable
  -Fsystem <value>      Add directory to system framework search path
  -F <value>            Add directory to framework search path
  -help                 Display available options
  -I <value>            Add directory to the import search path
  -libc <value>         libc runtime library to use
  -L <value>            Add directory to library link search path
  -module-cache-path <value>
                        Specifies the module cache path
  -module-name <value>  Name of the module to build
  -o <file>             Write output to <file>
  -plugin-path <value>  Add directory to the plugin search path
  -pretty-print         Pretty-print the output JSON
  -project-name <value> Name of the project this module to build belongs to
  -sdk <sdk>            Compile against <sdk>
  -swift-version <vers> Interpret input according to a specific Swift language version number
  -target <triple>      Generate code for the given target <triple>, such as x86_64-apple-macos10.9
  -vfsoverlay <value>   Add directory to VFS overlay file
  -visualc-tools-root <root>
                        VisualC++ Tools Root
  -visualc-tools-version <version>
                        VisualC++ ToolSet Version
  -windows-sdk-root <root>
                        Windows SDK Root
  -windows-sdk-version <version>
                        Windows SDK Version