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 
final class picocli.CommandLine$TraceLevel extends java.lang.Enum<picocli.CommandLine$TraceLevel>
  minor version: 0
  major version: 59
  flags: flags: (0x4030) ACC_FINAL, ACC_SUPER, ACC_ANNOTATION
  this_class: picocli.CommandLine$TraceLevel
  super_class: java.lang.Enum
{
  public static final picocli.CommandLine$TraceLevel OFF;
    descriptor: Lpicocli/CommandLine$TraceLevel;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final picocli.CommandLine$TraceLevel WARN;
    descriptor: Lpicocli/CommandLine$TraceLevel;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final picocli.CommandLine$TraceLevel INFO;
    descriptor: Lpicocli/CommandLine$TraceLevel;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final picocli.CommandLine$TraceLevel DEBUG;
    descriptor: Lpicocli/CommandLine$TraceLevel;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  private static final picocli.CommandLine$TraceLevel[] ENUM$VALUES;
    descriptor: [Lpicocli/CommandLine$TraceLevel;
    flags: (0x101a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 15524
            new picocli.CommandLine$TraceLevel
            dup
            ldc "OFF"
            iconst_0
            invokespecial picocli.CommandLine$TraceLevel.<init>:(Ljava/lang/String;I)V
            putstatic picocli.CommandLine$TraceLevel.OFF:Lpicocli/CommandLine$TraceLevel;
            new picocli.CommandLine$TraceLevel
            dup
            ldc "WARN"
            iconst_1
            invokespecial picocli.CommandLine$TraceLevel.<init>:(Ljava/lang/String;I)V
            putstatic picocli.CommandLine$TraceLevel.WARN:Lpicocli/CommandLine$TraceLevel;
            new picocli.CommandLine$TraceLevel
            dup
            ldc "INFO"
            iconst_2
            invokespecial picocli.CommandLine$TraceLevel.<init>:(Ljava/lang/String;I)V
            putstatic picocli.CommandLine$TraceLevel.INFO:Lpicocli/CommandLine$TraceLevel;
            new picocli.CommandLine$TraceLevel
            dup
            ldc "DEBUG"
            iconst_3
            invokespecial picocli.CommandLine$TraceLevel.<init>:(Ljava/lang/String;I)V
            putstatic picocli.CommandLine$TraceLevel.DEBUG:Lpicocli/CommandLine$TraceLevel;
            iconst_4
            anewarray picocli.CommandLine$TraceLevel
            dup
            iconst_0
            getstatic picocli.CommandLine$TraceLevel.OFF:Lpicocli/CommandLine$TraceLevel;
            aastore
            dup
            iconst_1
            getstatic picocli.CommandLine$TraceLevel.WARN:Lpicocli/CommandLine$TraceLevel;
            aastore
            dup
            iconst_2
            getstatic picocli.CommandLine$TraceLevel.INFO:Lpicocli/CommandLine$TraceLevel;
            aastore
            dup
            iconst_3
            getstatic picocli.CommandLine$TraceLevel.DEBUG:Lpicocli/CommandLine$TraceLevel;
            aastore
            putstatic picocli.CommandLine$TraceLevel.ENUM$VALUES:[Lpicocli/CommandLine$TraceLevel;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(java.lang.String, int);
    descriptor: (Ljava/lang/String;I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // picocli.CommandLine$TraceLevel this
         0: .line 15524
            aload 0 /* this */
            aload 1
            iload 2
            invokespecial java.lang.Enum.<init>:(Ljava/lang/String;I)V
            return
        end local 0 // picocli.CommandLine$TraceLevel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$TraceLevel;
    MethodParameters:
               Name  Flags
      $enum$name     
      $enum$ordinal  

  public boolean isEnabled(picocli.CommandLine$TraceLevel);
    descriptor: (Lpicocli/CommandLine$TraceLevel;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // picocli.CommandLine$TraceLevel this
        start local 1 // picocli.CommandLine$TraceLevel other
         0: .line 15525
            aload 0 /* this */
            invokevirtual picocli.CommandLine$TraceLevel.ordinal:()I
            aload 1 /* other */
            invokevirtual picocli.CommandLine$TraceLevel.ordinal:()I
            if_icmplt 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // picocli.CommandLine$TraceLevel other
        end local 0 // picocli.CommandLine$TraceLevel this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lpicocli/CommandLine$TraceLevel;
            0    2     1  other  Lpicocli/CommandLine$TraceLevel;
    MethodParameters:
       Name  Flags
      other  

  private void print(picocli.CommandLine$Tracer, java.lang.String, java.lang.Object[]);
    descriptor: (Lpicocli/CommandLine$Tracer;Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0082) ACC_PRIVATE, ACC_VARARGS
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // picocli.CommandLine$TraceLevel this
        start local 1 // picocli.CommandLine$Tracer tracer
        start local 2 // java.lang.String msg
        start local 3 // java.lang.Object[] params
         0: .line 15527
            aload 1 /* tracer */
            getfield picocli.CommandLine$Tracer.level:Lpicocli/CommandLine$TraceLevel;
            aload 0 /* this */
            invokevirtual picocli.CommandLine$TraceLevel.isEnabled:(Lpicocli/CommandLine$TraceLevel;)Z
            ifeq 1
            aload 1 /* tracer */
            getfield picocli.CommandLine$Tracer.stream:Ljava/io/PrintStream;
            aload 0 /* this */
            aload 2 /* msg */
            invokevirtual picocli.CommandLine$TraceLevel.prefix:(Ljava/lang/String;)Ljava/lang/String;
            aload 3 /* params */
            invokevirtual java.io.PrintStream.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
            pop
         1: .line 15528
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.Object[] params
        end local 2 // java.lang.String msg
        end local 1 // picocli.CommandLine$Tracer tracer
        end local 0 // picocli.CommandLine$TraceLevel this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lpicocli/CommandLine$TraceLevel;
            0    2     1  tracer  Lpicocli/CommandLine$Tracer;
            0    2     2     msg  Ljava/lang/String;
            0    2     3  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      tracer  
      msg     
      params  

  private java.lang.String prefix(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // picocli.CommandLine$TraceLevel this
        start local 1 // java.lang.String msg
         0: .line 15529
            new java.lang.StringBuilder
            dup
            ldc "[picocli "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc "] "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 1 /* msg */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.String msg
        end local 0 // picocli.CommandLine$TraceLevel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$TraceLevel;
            0    1     1   msg  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      msg   

  static picocli.CommandLine$TraceLevel lookup(java.lang.String);
    descriptor: (Ljava/lang/String;)Lpicocli/CommandLine$TraceLevel;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.String key
         0: .line 15530
            aload 0 /* key */
            ifnonnull 1
            getstatic picocli.CommandLine$TraceLevel.WARN:Lpicocli/CommandLine$TraceLevel;
            goto 4
      StackMap locals:
      StackMap stack:
         1: aload 0 /* key */
            invokestatic picocli.CommandLine.empty:(Ljava/lang/String;)Z
            ifne 2
            ldc "true"
            aload 0 /* key */
            invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
            ifeq 3
      StackMap locals:
      StackMap stack:
         2: getstatic picocli.CommandLine$TraceLevel.INFO:Lpicocli/CommandLine$TraceLevel;
            goto 4
      StackMap locals:
      StackMap stack:
         3: aload 0 /* key */
            invokestatic picocli.CommandLine$TraceLevel.valueOf:(Ljava/lang/String;)Lpicocli/CommandLine$TraceLevel;
      StackMap locals:
      StackMap stack: picocli.CommandLine$TraceLevel
         4: areturn
        end local 0 // java.lang.String key
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0   key  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      key   

  public static picocli.CommandLine$TraceLevel[] values();
    descriptor: ()[Lpicocli/CommandLine$TraceLevel;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=0
         0: .line 1
            getstatic picocli.CommandLine$TraceLevel.ENUM$VALUES:[Lpicocli/CommandLine$TraceLevel;
            dup
            astore 0
            iconst_0
            aload 0
            arraylength
            dup
            istore 1
            anewarray picocli.CommandLine$TraceLevel
            dup
            astore 2
            iconst_0
            iload 1
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
            aload 2
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static picocli.CommandLine$TraceLevel valueOf(java.lang.String);
    descriptor: (Ljava/lang/String;)Lpicocli/CommandLine$TraceLevel;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
         0: .line 1
            ldc Lpicocli/CommandLine$TraceLevel;
            aload 0
            invokestatic java.lang.Enum.valueOf:(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;
            checkcast picocli.CommandLine$TraceLevel
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
      Name  Flags
      name  
}
Signature: Ljava/lang/Enum<Lpicocli/CommandLine$TraceLevel;>;
SourceFile: "CommandLine.java"
NestHost: picocli.CommandLine
InnerClasses:
  private final TraceLevel = picocli.CommandLine$TraceLevel of picocli.CommandLine
  Tracer = picocli.CommandLine$Tracer of picocli.CommandLine