Clean Code for apitools/org.eclipse.pde.api.tools.ui

[eclipse-pde-bot]

The following cleanups where applied:

• Add final modifier to private fields
• Add missing '@Deprecated' annotations
• Add missing '@Override' annotations
• Add missing '@Override' annotations to implementations of interface methods
• Convert control statement bodies to block
• Make inner classes static where possible
• Replace deprecated calls with inlined content where possible
• Use pattern matching for instanceof

[github-actions]

Test Results

   285 files  +  6     285 suites  +6   52m 28s ⏱️ + 8m 48s
 3 608 tests ±  0   3 532 ✅ +  1   76 💤 ± 0  0 ❌  - 1 
11 016 runs  +194  10 785 ✅ +165  231 💤 +30  0 ❌  - 1 

Results for commit f86e2fb. ± Comparison against base commit 83a3ef3.