final class java.util.regex.Pattern$GroupHead extends java.util.regex.Pattern$Node
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: java.util.regex.Pattern$GroupHead
  super_class: java.util.regex.Pattern$Node
{
  int localIndex;
    descriptor: I
    flags: (0x0000) 

  java.util.regex.Pattern$GroupTail tail;
    descriptor: Ljava/util/regex/Pattern$GroupTail;
    flags: (0x0000) 

  void <init>(int);
    descriptor: (I)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.regex.Pattern$GroupHead this
        start local 1 // int localCount
         0: .line 4798
            aload 0 /* this */
            invokespecial java.util.regex.Pattern$Node.<init>:()V
         1: .line 4799
            aload 0 /* this */
            iload 1 /* localCount */
            putfield java.util.regex.Pattern$GroupHead.localIndex:I
         2: .line 4800
            return
        end local 1 // int localCount
        end local 0 // java.util.regex.Pattern$GroupHead this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Ljava/util/regex/Pattern$GroupHead;
            0    3     1  localCount  I
    MethodParameters:
            Name  Flags
      localCount  

  boolean match(java.util.regex.Matcher, int, java.lang.CharSequence);
    descriptor: (Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
    flags: (0x0000) 
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // java.util.regex.Pattern$GroupHead this
        start local 1 // java.util.regex.Matcher matcher
        start local 2 // int i
        start local 3 // java.lang.CharSequence seq
         0: .line 4802
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iaload
            istore 4 /* save */
        start local 4 // int save
         1: .line 4803
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iload 2 /* i */
            iastore
         2: .line 4804
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.next:Ljava/util/regex/Pattern$Node;
            aload 1 /* matcher */
            iload 2 /* i */
            aload 3 /* seq */
            invokevirtual java.util.regex.Pattern$Node.match:(Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
            istore 5 /* ret */
        start local 5 // boolean ret
         3: .line 4805
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iload 4 /* save */
            iastore
         4: .line 4806
            iload 5 /* ret */
            ireturn
        end local 5 // boolean ret
        end local 4 // int save
        end local 3 // java.lang.CharSequence seq
        end local 2 // int i
        end local 1 // java.util.regex.Matcher matcher
        end local 0 // java.util.regex.Pattern$GroupHead this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Ljava/util/regex/Pattern$GroupHead;
            0    5     1  matcher  Ljava/util/regex/Matcher;
            0    5     2        i  I
            0    5     3      seq  Ljava/lang/CharSequence;
            1    5     4     save  I
            3    5     5      ret  Z
    MethodParameters:
         Name  Flags
      matcher  
      i        
      seq      

  boolean matchRef(java.util.regex.Matcher, int, java.lang.CharSequence);
    descriptor: (Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
    flags: (0x0000) 
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // java.util.regex.Pattern$GroupHead this
        start local 1 // java.util.regex.Matcher matcher
        start local 2 // int i
        start local 3 // java.lang.CharSequence seq
         0: .line 4809
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iaload
            istore 4 /* save */
        start local 4 // int save
         1: .line 4810
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iload 2 /* i */
            iconst_m1
            ixor
            iastore
         2: .line 4811
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.next:Ljava/util/regex/Pattern$Node;
            aload 1 /* matcher */
            iload 2 /* i */
            aload 3 /* seq */
            invokevirtual java.util.regex.Pattern$Node.match:(Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
            istore 5 /* ret */
        start local 5 // boolean ret
         3: .line 4812
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.locals:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$GroupHead.localIndex:I
            iload 4 /* save */
            iastore
         4: .line 4813
            iload 5 /* ret */
            ireturn
        end local 5 // boolean ret
        end local 4 // int save
        end local 3 // java.lang.CharSequence seq
        end local 2 // int i
        end local 1 // java.util.regex.Matcher matcher
        end local 0 // java.util.regex.Pattern$GroupHead this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Ljava/util/regex/Pattern$GroupHead;
            0    5     1  matcher  Ljava/util/regex/Matcher;
            0    5     2        i  I
            0    5     3      seq  Ljava/lang/CharSequence;
            1    5     4     save  I
            3    5     5      ret  Z
    MethodParameters:
         Name  Flags
      matcher  
      i        
      seq      
}
SourceFile: "Pattern.java"
NestHost: java.util.regex.Pattern
InnerClasses:
  final GroupHead = java.util.regex.Pattern$GroupHead of java.util.regex.Pattern
  final GroupTail = java.util.regex.Pattern$GroupTail of java.util.regex.Pattern
  Node = java.util.regex.Pattern$Node of java.util.regex.Pattern