https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
final class freemarker.core.Range extends freemarker.core.Expression
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: freemarker.core.Range
  super_class: freemarker.core.Expression
{
  static final int END_INCLUSIVE;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  static final int END_EXCLUSIVE;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  static final int END_UNBOUND;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  static final int END_SIZE_LIMITED;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 3

  final freemarker.core.Expression lho;
    descriptor: Lfreemarker/core/Expression;
    flags: (0x0010) ACC_FINAL

  final freemarker.core.Expression rho;
    descriptor: Lfreemarker/core/Expression;
    flags: (0x0010) ACC_FINAL

  final int endType;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  void <init>(freemarker.core.Expression, freemarker.core.Expression, int);
    descriptor: (Lfreemarker/core/Expression;Lfreemarker/core/Expression;I)V
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // freemarker.core.Range this
        start local 1 // freemarker.core.Expression lho
        start local 2 // freemarker.core.Expression rho
        start local 3 // int endType
         0: .line 40
            aload 0 /* this */
            invokespecial freemarker.core.Expression.<init>:()V
         1: .line 41
            aload 0 /* this */
            aload 1 /* lho */
            putfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
         2: .line 42
            aload 0 /* this */
            aload 2 /* rho */
            putfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
         3: .line 43
            aload 0 /* this */
            iload 3 /* endType */
            putfield freemarker.core.Range.endType:I
         4: .line 44
            return
        end local 3 // int endType
        end local 2 // freemarker.core.Expression rho
        end local 1 // freemarker.core.Expression lho
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lfreemarker/core/Range;
            0    5     1      lho  Lfreemarker/core/Expression;
            0    5     2      rho  Lfreemarker/core/Expression;
            0    5     3  endType  I
    MethodParameters:
         Name  Flags
      lho      
      rho      
      endType  

  int getEndType();
    descriptor: ()I
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Range this
         0: .line 47
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            ireturn
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Range;

  freemarker.template.TemplateModel _eval(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Lfreemarker/template/TemplateModel;
    flags: (0x0000) 
    Code:
      stack=7, locals=4, args_size=2
        start local 0 // freemarker.core.Range this
        start local 1 // freemarker.core.Environment env
         0: .line 52
            aload 0 /* this */
            getfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
            aload 1 /* env */
            invokevirtual freemarker.core.Expression.evalToNumber:(Lfreemarker/core/Environment;)Ljava/lang/Number;
            invokevirtual java.lang.Number.intValue:()I
            istore 2 /* begin */
        start local 2 // int begin
         1: .line 53
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            iconst_2
            if_icmpeq 11
         2: .line 54
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            aload 1 /* env */
            invokevirtual freemarker.core.Expression.evalToNumber:(Lfreemarker/core/Environment;)Ljava/lang/Number;
            invokevirtual java.lang.Number.intValue:()I
            istore 3 /* lhoValue */
        start local 3 // int lhoValue
         3: .line 55
            new freemarker.core.BoundedRangeModel
            dup
         4: .line 56
            iload 2 /* begin */
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            iconst_3
            if_icmpeq 5
            iload 3 /* lhoValue */
            goto 6
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int
         5: iload 2 /* begin */
            iload 3 /* lhoValue */
            iadd
         6: .line 57
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int int
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            ifne 7
            iconst_1
            goto 8
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int int
         7: iconst_0
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int int int
         8: aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            iconst_3
            if_icmpne 9
            iconst_1
            goto 10
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int int int
         9: iconst_0
        10: .line 55
      StackMap locals: freemarker.core.Range freemarker.core.Environment int int
      StackMap stack: new 3 new 3 int int int int
            invokespecial freemarker.core.BoundedRangeModel.<init>:(IIZZ)V
            areturn
        end local 3 // int lhoValue
        11: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic freemarker.template._TemplateAPI.getTemplateLanguageVersionAsInt:(Lfreemarker/core/TemplateObject;)I
            getstatic freemarker.template._TemplateAPI.VERSION_INT_2_3_21:I
            if_icmplt 13
        12: .line 60
            new freemarker.core.ListableRightUnboundedRangeModel
            dup
            iload 2 /* begin */
            invokespecial freemarker.core.ListableRightUnboundedRangeModel.<init>:(I)V
            goto 14
        13: .line 61
      StackMap locals:
      StackMap stack:
            new freemarker.core.NonListableRightUnboundedRangeModel
            dup
            iload 2 /* begin */
            invokespecial freemarker.core.NonListableRightUnboundedRangeModel.<init>:(I)V
        14: .line 59
      StackMap locals:
      StackMap stack: freemarker.core.RightUnboundedRangeModel
            areturn
        end local 2 // int begin
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   15     0      this  Lfreemarker/core/Range;
            0   15     1       env  Lfreemarker/core/Environment;
            1   15     2     begin  I
            3   11     3  lhoValue  I
    Exceptions:
      throws freemarker.template.TemplateException
    MethodParameters:
      Name  Flags
      env   

  boolean evalToBoolean(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Z
    flags: (0x0000) 
    Code:
      stack=9, locals=2, args_size=2
        start local 0 // freemarker.core.Range this
        start local 1 // freemarker.core.Environment env
         0: .line 68
            new freemarker.core.NonBooleanException
            dup
            aload 0 /* this */
            new freemarker.core.BoundedRangeModel
            dup
            iconst_0
            iconst_0
            iconst_0
            iconst_0
            invokespecial freemarker.core.BoundedRangeModel.<init>:(IIZZ)V
            aload 1 /* env */
            invokespecial freemarker.core.NonBooleanException.<init>:(Lfreemarker/core/Expression;Lfreemarker/template/TemplateModel;Lfreemarker/core/Environment;)V
            athrow
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Range;
            0    1     1   env  Lfreemarker/core/Environment;
    Exceptions:
      throws freemarker.template.TemplateException
    MethodParameters:
      Name  Flags
      env   

  public java.lang.String getCanonicalForm();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // freemarker.core.Range this
         0: .line 73
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            ifnull 1
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            invokevirtual freemarker.core.Expression.getCanonicalForm:()Ljava/lang/String;
            goto 2
      StackMap locals:
      StackMap stack:
         1: ldc ""
      StackMap locals:
      StackMap stack: java.lang.String
         2: astore 1 /* rhs */
        start local 1 // java.lang.String rhs
         3: .line 74
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
            invokevirtual freemarker.core.Expression.getCanonicalForm:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            invokevirtual freemarker.core.Range.getNodeTypeSymbol:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 1 /* rhs */
            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 rhs
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/core/Range;
            3    4     1   rhs  Ljava/lang/String;

  java.lang.String getNodeTypeSymbol();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // freemarker.core.Range this
         0: .line 79
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            tableswitch { // 0 - 3
                    0: 2
                    1: 1
                    2: 3
                    3: 4
              default: 5
          }
         1: .line 80
      StackMap locals:
      StackMap stack:
            ldc "..<"
            areturn
         2: .line 81
      StackMap locals:
      StackMap stack:
            ldc ".."
            areturn
         3: .line 82
      StackMap locals:
      StackMap stack:
            ldc ".."
            areturn
         4: .line 83
      StackMap locals:
      StackMap stack:
            ldc "..*"
            areturn
         5: .line 84
      StackMap locals:
      StackMap stack:
            new freemarker.core.BugException
            dup
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
            invokespecial freemarker.core.BugException.<init>:(I)V
            athrow
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lfreemarker/core/Range;

  boolean isLiteral();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // freemarker.core.Range this
         0: .line 90
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            ifnull 1
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            invokevirtual freemarker.core.Expression.isLiteral:()Z
            ifne 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: istore 1 /* rightIsLiteral */
        start local 1 // boolean rightIsLiteral
         3: .line 91
            aload 0 /* this */
            getfield freemarker.core.Range.constantValue:Lfreemarker/template/TemplateModel;
            ifnonnull 5
            aload 0 /* this */
            getfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
            invokevirtual freemarker.core.Expression.isLiteral:()Z
            ifeq 4
            iload 1 /* rightIsLiteral */
            ifne 5
      StackMap locals: int
      StackMap stack:
         4: iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         5: iconst_1
            ireturn
        end local 1 // boolean rightIsLiteral
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    6     0            this  Lfreemarker/core/Range;
            3    6     1  rightIsLiteral  Z

  protected freemarker.core.Expression deepCloneWithIdentifierReplaced_inner(java.lang.String, freemarker.core.Expression, freemarker.core.Expression$ReplacemenetState);
    descriptor: (Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=7, locals=4, args_size=4
        start local 0 // freemarker.core.Range this
        start local 1 // java.lang.String replacedIdentifier
        start local 2 // freemarker.core.Expression replacement
        start local 3 // freemarker.core.Expression$ReplacemenetState replacementState
         0: .line 97
            new freemarker.core.Range
            dup
         1: .line 98
            aload 0 /* this */
            getfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
            aload 1 /* replacedIdentifier */
            aload 2 /* replacement */
            aload 3 /* replacementState */
            invokevirtual freemarker.core.Expression.deepCloneWithIdentifierReplaced:(Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
         2: .line 99
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            aload 1 /* replacedIdentifier */
            aload 2 /* replacement */
            aload 3 /* replacementState */
            invokevirtual freemarker.core.Expression.deepCloneWithIdentifierReplaced:(Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
         3: .line 100
            aload 0 /* this */
            getfield freemarker.core.Range.endType:I
         4: .line 97
            invokespecial freemarker.core.Range.<init>:(Lfreemarker/core/Expression;Lfreemarker/core/Expression;I)V
            areturn
        end local 3 // freemarker.core.Expression$ReplacemenetState replacementState
        end local 2 // freemarker.core.Expression replacement
        end local 1 // java.lang.String replacedIdentifier
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    5     0                this  Lfreemarker/core/Range;
            0    5     1  replacedIdentifier  Ljava/lang/String;
            0    5     2         replacement  Lfreemarker/core/Expression;
            0    5     3    replacementState  Lfreemarker/core/Expression$ReplacemenetState;
    MethodParameters:
                    Name  Flags
      replacedIdentifier  
      replacement         
      replacementState    

  int getParameterCount();
    descriptor: ()I
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Range this
         0: .line 105
            iconst_2
            ireturn
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Range;

  java.lang.Object getParameterValue(int);
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.core.Range this
        start local 1 // int idx
         0: .line 110
            iload 1 /* idx */
            tableswitch { // 0 - 1
                    0: 1
                    1: 2
              default: 3
          }
         1: .line 111
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.core.Range.lho:Lfreemarker/core/Expression;
            areturn
         2: .line 112
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.core.Range.rho:Lfreemarker/core/Expression;
            areturn
         3: .line 113
      StackMap locals:
      StackMap stack:
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
        end local 1 // int idx
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/core/Range;
            0    4     1   idx  I
    MethodParameters:
      Name  Flags
      idx   

  freemarker.core.ParameterRole getParameterRole(int);
    descriptor: (I)Lfreemarker/core/ParameterRole;
    flags: (0x0000) 
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // freemarker.core.Range this
        start local 1 // int idx
         0: .line 119
            iload 1 /* idx */
            invokestatic freemarker.core.ParameterRole.forBinaryOperatorOperand:(I)Lfreemarker/core/ParameterRole;
            areturn
        end local 1 // int idx
        end local 0 // freemarker.core.Range this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Range;
            0    1     1   idx  I
    MethodParameters:
      Name  Flags
      idx   
}
SourceFile: "Range.java"
InnerClasses:
  ReplacemenetState = freemarker.core.Expression$ReplacemenetState of freemarker.core.Expression