Undefined Method java_kind_of? in JRuby-9.3.0.0 #6862

(NoMethodError) undefined method `java_kind_of?' for #<Java::ComRabbitmqClientImpl::LongStringHelper::ByteArrayLongString:0xa79c8be> Did you mean? java_send

Environment Information
JRuby: jruby 9.3.0.0 (2.6.8) 2021-09-17 85c20e780f OpenJDK 64-Bit Server VM 11.0.12+0 on 11.0.12+0 [darwin-x86_64]
Dev OS: Darwin ofc-03052-m 20.6.0 Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:31 PDT 2021; root:xnu-7195.141.2~5/RELEASE_X86_64 x86_64

java_kind_of? is called here by the march_hare gem (version 4.3.0-java) (ruby-amqp/march_hare#155).

Expected Behavior

• The java_kind_of? method is supported by JRuby-9.3.0.0

Actual Behavior

• The java_kind_of? method is not supported by JRuby-9.3.0.0
• The java_kind_of? method is supported by JRuby-9.2.19.0

Is java_kind_of? deprecated? Is there a replacement in JRuby-9.3.0.0?