Our codebase does not conform to this rule, and it's causing havoc for automated tooling that tries to "fix" it.
@@ -11,6 +11,7 @@ DerivePointerAlignment: 'false'
ExperimentalAutoDetectBinPacking: 'false'
FixNamespaceComments: 'true'
InsertBraces: 'true'
+InsertTrailingCommas: None
PointerAlignment: Left
# We abuse control macros for formatting other kinds of macros.
SpaceBeforeParens: ControlStatementsExceptControlMacros