@Override
			public Map<String, CategoryDB> loadMap() {
				return buildSubcategoryMap();
			}
Category Constructor
@param dtMgr the data type manager
@param cache CategoryDB object cache
@param id the id for this category
@param parent the parent for this category
@param name the name of this category
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/CategoryDB.java