红帽全球峰会135.2.8. 删除所有 示例：
from("direct:removeAll").setHeader(HazelcastConstants.OPERATION, constant(HazelcastOperation.REMOVE_ALL)).to(
String.format("hazelcast-%sbar", HazelcastConstants.QUEUE_PREFIX));
from("direct:removeAll").setHeader(HazelcastConstants.OPERATION, constant(HazelcastOperation.REMOVE_ALL)).to(
String.format("hazelcast-%sbar", HazelcastConstants.QUEUE_PREFIX));
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