log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jLogger.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jLogger.java

log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jMarkerFactory.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jMarkerFactory.java

log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jMarker.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jMarker.java

log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jLoggerFactory.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jLoggerFactory.java

log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jMDCAdapter.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jMDCAdapter.java

log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/SLF4JLoggingException.java
log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/SLF4JLoggingException.java