# list of all library's environment variables
LANG_MAIN_STOP_SEARCH_FOLDERNAME : foldername in package directory tree at which the lookup should stop; used to find directory root
LANG_MAIN_BASE_FOLDERNAME : base folder of library, not root (folder in which Python installation is found)
LANG_MAIN_SPACY_MODEL : spaCy model used; if not provided, use constant value defined in library; more internal use
LANG_MAIN_STFR_MODEL : Sentence Transformer model used; if not provided, use constant value defined in library; more internal use
LANG_MAIN_STFR_BACKEND : STFR backend, choice between "torch" and "onnx"