add, applyMetamodelExtensions, clear, create, create, getApplicableMetamodelExtensions, getAppliedMetamodelExtensions, getDiagram, getInstances, getInstances, getInstances, getInstances, getInstances, getMetamodel, getProfiledInstances, getProfiledInstances, getProfiledInstances, getProfiledInstances, getReader, getReadURI, getWriter, getWriteURI, read, read, remove, write, write