* Make final where possible * Remove unused casts, imports, methods, enums and constructors * Add null checks Change-Id: Idd1a16426dd1928e2ed9922f5a35ba32ce4f808b
* Make final where possible * Remove unused casts, imports, methods, enums and constructors * Add null checks Change-Id: Idd1a16426dd1928e2ed9922f5a35ba32ce4f808b