Usage:
  vapigen-0.56 [OPTION…] FILE... - Vala API Generator

Help Options:
  -h, --help                     Show help options

Application Options:
  --vapidir=DIRECTORY...         Look for package bindings in DIRECTORY
  --girdir=DIRECTORY...          Look for GIR bindings in DIRECTORY
  --metadatadir=DIRECTORY...     Look for GIR .metadata files in DIRECTORY
  --nostdpkg                     Do not include standard packages
  --pkg=PACKAGE...               Include binding for PACKAGE
  --library=NAME                 Library name
  -d, --directory=DIRECTORY      Output directory
  --disable-warnings             Disable warnings
  --version                      Display version number
  -q, --quiet                    Do not print messages to the console