public class org.apache.cassandra.utils.logging.LoggingSupportFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.utils.logging.LoggingSupportFactory
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static volatile org.apache.cassandra.utils.logging.LoggingSupport loggingSupport;
    descriptor: Lorg/apache/cassandra/utils/logging/LoggingSupport;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 14
            ldc Lorg/apache/cassandra/utils/logging/LoggingSupportFactory;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.logger:Lorg/slf4j/Logger;
         1: .line 16
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.logging.LoggingSupportFactory this
         0: .line 18
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.utils.logging.LoggingSupportFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/logging/LoggingSupportFactory;

  public static org.apache.cassandra.utils.logging.LoggingSupport getLoggingSupport();
    descriptor: ()Lorg/apache/cassandra/utils/logging/LoggingSupport;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 25
            getstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.loggingSupport:Lorg/apache/cassandra/utils/logging/LoggingSupport;
            ifnonnull 9
         1: .line 28
            invokestatic org.slf4j.LoggerFactory.getILoggerFactory:()Lorg/slf4j/ILoggerFactory;
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            astore 0 /* loggerFactoryClass */
        start local 0 // java.lang.String loggerFactoryClass
         2: .line 29
            aload 0 /* loggerFactoryClass */
            ldc "logback"
            invokevirtual java.lang.String.contains:(Ljava/lang/CharSequence;)Z
            ifeq 5
         3: .line 31
            ldc "org.apache.cassandra.utils.logging.LogbackLoggingSupport"
            ldc "LogbackLoggingSupport"
            invokestatic org.apache.cassandra.utils.FBUtilities.instanceOrConstruct:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;
            checkcast org.apache.cassandra.utils.logging.LoggingSupport
            putstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.loggingSupport:Lorg/apache/cassandra/utils/logging/LoggingSupport;
         4: .line 32
            goto 9
         5: .line 35
      StackMap locals: java.lang.String
      StackMap stack:
            new org.apache.cassandra.utils.logging.NoOpFallbackLoggingSupport
            dup
            invokespecial org.apache.cassandra.utils.logging.NoOpFallbackLoggingSupport.<init>:()V
            putstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.loggingSupport:Lorg/apache/cassandra/utils/logging/LoggingSupport;
         6: .line 36
            getstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.logger:Lorg/slf4j/Logger;
            ldc "You are using Cassandra with an unsupported deployment. The intended logging implementation library logback is not used by slf4j. Detected slf4j logger factory: {}. You will not be able to dynamically manage log levels via JMX and may have performance or other issues."
         7: .line 37
            aload 0 /* loggerFactoryClass */
         8: .line 36
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
        end local 0 // java.lang.String loggerFactoryClass
         9: .line 40
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.utils.logging.LoggingSupportFactory.loggingSupport:Lorg/apache/cassandra/utils/logging/LoggingSupport;
            areturn
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            2    9     0  loggerFactoryClass  Ljava/lang/String;
}
SourceFile: "LoggingSupportFactory.java"