private Namespace getNameSpaceByID(long id) {
		Symbol namespaceSym = program.getSymbolTable().getSymbol(id);
		if (namespaceSym == null) {
			return null;
		}
		Object namespace = namespaceSym.getObject();
		if (namespace instanceof Namespace) {
			return (Namespace) namespace;
		}
		return null;
	}
Return the first symbol name at the given address
@param addr is the given address
@return the symbol or null if no symbol is found
@throws IOException for errors trying to encode the symbol
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/DecompileCallback.java