LoggerBuilder { public LoggerBuilder includeClassName(boolean includeClassName) { this.includeClassName = includeClassName; return this; }  LoggerBuilder slf4jLogger(org.slf4j.Logger slf4jLogger, FastDateFormat dateFormatter); LoggerBuilder includeLoggerName(boolean includeLoggerName); LoggerBuilder includeClassName(boolean includeClassName); LoggerBuilder includeThreadName(boolean includeThreadName); Logger build();  }
@Test public void testIncludeClassName() throws Exception { Logger includeClassNameLogger = this.loggerBuilder .includeClassName(true) .build(); Logger excludeClassNameLogger = this.loggerBuilder .includeClassName(false) .build(); assertTrue(includeClassNameLogger.isIncludeClassName()); assertFalse(excludeClassNameLogger.isIncludeClassName()); }