log4j-core/src/main/java/org/apache/logging/log4j/core/layout/AbstractJacksonLayout.java
log4j-flume-ng/src/main/java/org/apache/logging/log4j/flume/appender/FlumeEvent.java

log4j-core/src/main/java/org/apache/logging/log4j/core/appender/HttpAppender.java
log4j-flume-ng/src/main/java/org/apache/logging/log4j/flume/appender/FlumeAppender.java

log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/kafka/KafkaAppender.java
log4j-flume-ng/src/main/java/org/apache/logging/log4j/flume/appender/FlumeAppender.java

log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/jeromq/JeroMqAppender.java
log4j-flume-ng/src/main/java/org/apache/logging/log4j/flume/appender/FlumeAppender.java

log4j-core/src/main/java/org/apache/logging/log4j/core/appender/AbstractWriterAppender.java
log4j-flume-ng/src/main/java/org/apache/logging/log4j/flume/appender/FlumeAppender.java