public void setUntrustedType(String untrustedType) {
			this.untrustedType = untrustedType;
		}
Represents a header that could not be decoded due to an untrusted type.
spring-cloud-alibaba-starters/spring-cloud-starter-stream-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/support/JacksonRocketMQHeaderMapper.java