$ python -m mdr [-h] [--force] [--drop] [-files [foo]] [-ctx [foo]] [-xs [foo]]-h, --helpshow this help message and exit--forceForce reload. Drop current contex, conceptual domains and data elements. Import provided context and extraction specification.--dropDrop existing context and models. Import nothing. Do not combine this argument with others. If you want to drop and import with a single command, use--forceinstead.-files [foo]Used for specifying files to--dropoption.-ctx [foo]Import a context with its conceptual domains, data types, and data elements provided in the file. Make sure that<foo.ctx>exists in/datafolder.-xs [foo]Import provided extraction specifications. Make sure that related data elements are already available in the registry and<foo.xs>exists in/datafolder.