http://picocli.info: Java command line parser with both an annotations API and a programmatic API. Usage help with ANSI styles and colors. Autocomplete. Nested subcommands. Easily included as source to avoid adding a dependency.
  • Remko Popma 
class picocli.CommandLine$Tracer
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: picocli.CommandLine$Tracer
  super_class: java.lang.Object
{
  picocli.CommandLine$TraceLevel level;
    descriptor: Lpicocli/CommandLine$TraceLevel;
    flags: (0x0000) 

  java.io.PrintStream stream;
    descriptor: Ljava/io/PrintStream;
    flags: (0x0000) 

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // picocli.CommandLine$Tracer this
         0: .line 15532
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 15533
            aload 0 /* this */
            ldc "picocli.trace"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic picocli.CommandLine$TraceLevel.lookup:(Ljava/lang/String;)Lpicocli/CommandLine$TraceLevel;
            putfield picocli.CommandLine$Tracer.level:Lpicocli/CommandLine$TraceLevel;
         2: .line 15534
            aload 0 /* this */
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            putfield picocli.CommandLine$Tracer.stream:Ljava/io/PrintStream;
         3: .line 15532
            return
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lpicocli/CommandLine$Tracer;

  void warn(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0080) ACC_VARARGS
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // picocli.CommandLine$Tracer this
        start local 1 // java.lang.String msg
        start local 2 // java.lang.Object[] params
         0: .line 15535
            getstatic picocli.CommandLine$TraceLevel.WARN:Lpicocli/CommandLine$TraceLevel;
            aload 0 /* this */
            aload 1 /* msg */
            aload 2 /* params */
            invokevirtual picocli.CommandLine$TraceLevel.print:(Lpicocli/CommandLine$Tracer;Ljava/lang/String;[Ljava/lang/Object;)V
            return
        end local 2 // java.lang.Object[] params
        end local 1 // java.lang.String msg
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lpicocli/CommandLine$Tracer;
            0    1     1     msg  Ljava/lang/String;
            0    1     2  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      msg     
      params  

  void info(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0080) ACC_VARARGS
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // picocli.CommandLine$Tracer this
        start local 1 // java.lang.String msg
        start local 2 // java.lang.Object[] params
         0: .line 15536
            getstatic picocli.CommandLine$TraceLevel.INFO:Lpicocli/CommandLine$TraceLevel;
            aload 0 /* this */
            aload 1 /* msg */
            aload 2 /* params */
            invokevirtual picocli.CommandLine$TraceLevel.print:(Lpicocli/CommandLine$Tracer;Ljava/lang/String;[Ljava/lang/Object;)V
            return
        end local 2 // java.lang.Object[] params
        end local 1 // java.lang.String msg
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lpicocli/CommandLine$Tracer;
            0    1     1     msg  Ljava/lang/String;
            0    1     2  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      msg     
      params  

  void debug(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0080) ACC_VARARGS
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // picocli.CommandLine$Tracer this
        start local 1 // java.lang.String msg
        start local 2 // java.lang.Object[] params
         0: .line 15537
            getstatic picocli.CommandLine$TraceLevel.DEBUG:Lpicocli/CommandLine$TraceLevel;
            aload 0 /* this */
            aload 1 /* msg */
            aload 2 /* params */
            invokevirtual picocli.CommandLine$TraceLevel.print:(Lpicocli/CommandLine$Tracer;Ljava/lang/String;[Ljava/lang/Object;)V
            return
        end local 2 // java.lang.Object[] params
        end local 1 // java.lang.String msg
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lpicocli/CommandLine$Tracer;
            0    1     1     msg  Ljava/lang/String;
            0    1     2  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      msg     
      params  

  boolean isWarn();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // picocli.CommandLine$Tracer this
         0: .line 15538
            aload 0 /* this */
            getfield picocli.CommandLine$Tracer.level:Lpicocli/CommandLine$TraceLevel;
            getstatic picocli.CommandLine$TraceLevel.WARN:Lpicocli/CommandLine$TraceLevel;
            invokevirtual picocli.CommandLine$TraceLevel.isEnabled:(Lpicocli/CommandLine$TraceLevel;)Z
            ireturn
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$Tracer;

  boolean isInfo();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // picocli.CommandLine$Tracer this
         0: .line 15539
            aload 0 /* this */
            getfield picocli.CommandLine$Tracer.level:Lpicocli/CommandLine$TraceLevel;
            getstatic picocli.CommandLine$TraceLevel.INFO:Lpicocli/CommandLine$TraceLevel;
            invokevirtual picocli.CommandLine$TraceLevel.isEnabled:(Lpicocli/CommandLine$TraceLevel;)Z
            ireturn
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$Tracer;

  boolean isDebug();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // picocli.CommandLine$Tracer this
         0: .line 15540
            aload 0 /* this */
            getfield picocli.CommandLine$Tracer.level:Lpicocli/CommandLine$TraceLevel;
            getstatic picocli.CommandLine$TraceLevel.DEBUG:Lpicocli/CommandLine$TraceLevel;
            invokevirtual picocli.CommandLine$TraceLevel.isEnabled:(Lpicocli/CommandLine$TraceLevel;)Z
            ireturn
        end local 0 // picocli.CommandLine$Tracer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$Tracer;
}
SourceFile: "CommandLine.java"
NestHost: picocli.CommandLine
InnerClasses:
  private final TraceLevel = picocli.CommandLine$TraceLevel of picocli.CommandLine
  Tracer = picocli.CommandLine$Tracer of picocli.CommandLine