/Users/agent/projects/rainbowgum/core/src/test/java/io/jstach/rainbowgum/EnumCombinations.java:[26,43] error: An unhandled exception was thrown by the Error Prone static analysis plugin.
     Please report this at https://github.com/google/error-prone/issues/new and include the following:

     error-prone version: 2.28.0
     BugPattern: NullAway
     Stack Trace:
     java.lang.RuntimeException: Did not find supertype of java.lang.Class<? extends java.lang.Enum<?>>[] matching java.lang.Class<? extends java.lang.Enum<?>>
  	at com.uber.nullaway.generics.CheckIdenticalNullabilityVisitor.visitClassType(CheckIdenticalNullabilityVisitor.java:33)
  	at com.uber.nullaway.generics.CheckIdenticalNullabilityVisitor.visitClassType(CheckIdenticalNullabilityVisitor.java:14)
  	at jdk.compiler/com.sun.tools.javac.code.Type$ClassType.accept(Type.java:1050)
  	at com.uber.nullaway.generics.GenericsChecks.identicalTypeParameterNullability(GenericsChecks.java:386)
  	at com.uber.nullaway.generics.GenericsChecks.subtypeParameterNullability(GenericsChecks.java:415)
  	at com.uber.nullaway.generics.GenericsChecks.compareGenericTypeParameterNullabilityForCall(GenericsChecks.java:535)
  	at com.uber.nullaway.NullAway.handleInvocation(NullAway.java:1774)
  	at com.uber.nullaway.NullAway.matchMethodInvocation(NullAway.java:408)
  	at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449)
  	at com.google.errorprone.scanner.ErrorProneScanner.visitMethodInvocation(ErrorProneScanner.java:746)
  	at com.google.errorprone.scanner.ErrorProneScanner.visitMethodInvocation(ErrorProneScanner.java:150)
  	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1832)
  	at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92)