Sourced from com.google.errorprone:error_prone_core's releases.

Error Prone 2.42.0

New checks:

• ExplicitArrayForVarargs: discourage unnecessary explicit construction of an array to provide varargs.
• FloggerPerWithoutRateLimit: discourage Flogger's perUnique without rate limiting
• StringJoin: Ban String.join(CharSequence) and String.join(CharSequence, CharSequence)
• ThreadBuilderNameWithPlaceholder: Do not allow placeholders in Thread.Builder.name(String) or name(String, int).

Changes:

• The return type of ASTHelpers.asFlagSet has changed. The previous type was EnumSet<Flags.Flag>, where Flags.Flag is an enum in the javac class Flags. A recent JDK change has replaced that enum with a new top-level enum called FlagsEnum. It is not possible to change ASTHelpers.asFlagSet in a way that would be type-safe and compatible with the enums from JDKs both before and after the change. Instead, the method now returns ImmutableSet<String>, where the strings come from the toString() of the enum constants. That means they are "native", "abstract", etc.
• Flag IO.print[ln]() in SystemOut.

Full changelog: https://github.com/google/error-prone/compare/v2.41.0...v2.42.0

• 52b6180 Release Error Prone 2.42.0
• 691c64a Flag IO.print[ln]() in SystemOut.
• 0b751cd ExpicitArrayForVarargs: flag unnecessary explicit construction of an array to...
• 982fe20 Tweak links to point to newer versions.
• a2df97f [StatementSwitchToExpressionSwitch] fix bug where case null can sometimes b...
• e691be5 Fix (behind a flag) a silly bug in RedundantSetterCall.
• ce1a422 Add Durations.wait() to WaitMatchers.waitMethodWithTimeout (and make them...
• da03fea Update MethodCanBeStatic to be able to detect and trigger on Guice @​Provides ...
• 83e6582 RedundantSetterCall: note that setFooValue and setFooBytes can be aliases for...
• db62c8c Automated rollback of commit e1b16e24461d90f2b11f8213a68bfccc0426d4f3.
• Additional commits viewable in compare view

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