https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
public class freemarker.core.InvalidReferenceException extends freemarker.template.TemplateException
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: freemarker.core.InvalidReferenceException
  super_class: freemarker.template.TemplateException
{
  static final freemarker.core.InvalidReferenceException FAST_INSTANCE;
    descriptor: Lfreemarker/core/InvalidReferenceException;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static final java.lang.Object[] TIP;
    descriptor: [Ljava/lang/Object;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.Object[] TIP_MISSING_ASSIGNMENT_TARGET;
    descriptor: [Ljava/lang/Object;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.String TIP_NO_DOLLAR;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "Variable references must not start with \"$\", unless the \"$\" is really part of the variable name."

  private static final java.lang.String TIP_LAST_STEP_DOT;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "It's the step after the last dot that caused this error, not those before it."

  private static final java.lang.String TIP_LAST_STEP_SQUARE_BRACKET;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "It's the final [] step that caused this error, not those before it."

  private static final java.lang.String TIP_JSP_TAGLIBS;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "The \"JspTaglibs\" variable isn't a core FreeMarker feature; it's only available when templates are invoked through freemarker.ext.servlet.FreemarkerServlet (or other custom FreeMarker-JSP integration solution)."

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=2, args_size=0
         0: .line 32
            invokestatic freemarker.core.Environment.getCurrentEnvironment:()Lfreemarker/core/Environment;
            astore 0 /* prevEnv */
        start local 0 // freemarker.core.Environment prevEnv
         1: .line 34
            aconst_null
            invokestatic freemarker.core.Environment.setCurrentEnvironment:(Lfreemarker/core/Environment;)V
         2: .line 35
            new freemarker.core.InvalidReferenceException
            dup
         3: .line 36
            ldc "Invalid reference. Details are unavilable, as this should have been handled by an FTL construct. If it wasn't, that's problably a bug in FreeMarker."
         4: .line 38
            aconst_null
         5: .line 35
            invokespecial freemarker.core.InvalidReferenceException.<init>:(Ljava/lang/String;Lfreemarker/core/Environment;)V
            putstatic freemarker.core.InvalidReferenceException.FAST_INSTANCE:Lfreemarker/core/InvalidReferenceException;
         6: .line 39
            goto 10
      StackMap locals: freemarker.core.Environment
      StackMap stack: java.lang.Throwable
         7: astore 1
         8: .line 40
            aload 0 /* prevEnv */
            invokestatic freemarker.core.Environment.setCurrentEnvironment:(Lfreemarker/core/Environment;)V
         9: .line 41
            aload 1
            athrow
        10: .line 40
      StackMap locals:
      StackMap stack:
            aload 0 /* prevEnv */
            invokestatic freemarker.core.Environment.setCurrentEnvironment:(Lfreemarker/core/Environment;)V
        end local 0 // freemarker.core.Environment prevEnv
        11: .line 44
            bipush 7
            anewarray java.lang.Object
            dup
            iconst_0
        12: .line 45
            ldc "If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use "
            aastore
            dup
            iconst_1
        13: .line 47
            ldc "<#if myOptionalVar??>"
            aastore
            dup
            iconst_2
            ldc "when-present"
            aastore
            dup
            iconst_3
            ldc "<#else>"
            aastore
            dup
            iconst_4
            ldc "when-missing"
            aastore
            dup
            iconst_5
            ldc "</#if>"
            aastore
            dup
            bipush 6
        14: .line 48
            ldc ". (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??"
            aastore
        15: .line 44
            putstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
        16: .line 52
            bipush 8
            anewarray java.lang.Object
            dup
            iconst_0
        17: .line 53
            ldc "If the target variable is known to be legally null or missing sometimes, instead of something like "
            aastore
            dup
            iconst_1
        18: .line 54
            ldc "<#assign x += 1>"
            aastore
            dup
            iconst_2
            ldc ", you could write "
            aastore
            dup
            iconst_3
            ldc "<#if x??>"
            aastore
            dup
            iconst_4
            ldc "<#assign x += 1>"
            aastore
            dup
            iconst_5
            ldc "</#if>"
            aastore
            dup
            bipush 6
        19: .line 55
            ldc " or "
            aastore
            dup
            bipush 7
            ldc "<#assign x = (x!0) + 1>"
            aastore
        20: .line 52
            putstatic freemarker.core.InvalidReferenceException.TIP_MISSING_ASSIGNMENT_TARGET:[Ljava/lang/Object;
        21: .line 70
            return
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            1   11     0  prevEnv  Lfreemarker/core/Environment;
      Exception table:
        from    to  target  type
           1     7       7  any

  public void <init>(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.InvalidReferenceException this
        start local 1 // freemarker.core.Environment env
         0: .line 77
            aload 0 /* this */
            ldc "Invalid reference: The expression has evaluated to null or refers to something that doesn't exist."
         1: .line 78
            aload 1 /* env */
            invokespecial freemarker.template.TemplateException.<init>:(Ljava/lang/String;Lfreemarker/core/Environment;)V
         2: .line 79
            return
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.InvalidReferenceException this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/core/InvalidReferenceException;
            0    3     1   env  Lfreemarker/core/Environment;
    MethodParameters:
      Name  Flags
      env   

  public void <init>(java.lang.String, freemarker.core.Environment);
    descriptor: (Ljava/lang/String;Lfreemarker/core/Environment;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // freemarker.core.InvalidReferenceException this
        start local 1 // java.lang.String description
        start local 2 // freemarker.core.Environment env
         0: .line 87
            aload 0 /* this */
            aload 1 /* description */
            aload 2 /* env */
            invokespecial freemarker.template.TemplateException.<init>:(Ljava/lang/String;Lfreemarker/core/Environment;)V
         1: .line 88
            return
        end local 2 // freemarker.core.Environment env
        end local 1 // java.lang.String description
        end local 0 // freemarker.core.InvalidReferenceException this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lfreemarker/core/InvalidReferenceException;
            0    2     1  description  Ljava/lang/String;
            0    2     2          env  Lfreemarker/core/Environment;
    MethodParameters:
             Name  Flags
      description  
      env          

  void <init>(freemarker.core._ErrorDescriptionBuilder, freemarker.core.Environment, freemarker.core.Expression);
    descriptor: (Lfreemarker/core/_ErrorDescriptionBuilder;Lfreemarker/core/Environment;Lfreemarker/core/Expression;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // freemarker.core.InvalidReferenceException this
        start local 1 // freemarker.core._ErrorDescriptionBuilder description
        start local 2 // freemarker.core.Environment env
        start local 3 // freemarker.core.Expression expression
         0: .line 98
            aload 0 /* this */
            aconst_null
            aload 2 /* env */
            aload 3 /* expression */
            aload 1 /* description */
            invokespecial freemarker.template.TemplateException.<init>:(Ljava/lang/Throwable;Lfreemarker/core/Environment;Lfreemarker/core/Expression;Lfreemarker/core/_ErrorDescriptionBuilder;)V
         1: .line 99
            return
        end local 3 // freemarker.core.Expression expression
        end local 2 // freemarker.core.Environment env
        end local 1 // freemarker.core._ErrorDescriptionBuilder description
        end local 0 // freemarker.core.InvalidReferenceException this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lfreemarker/core/InvalidReferenceException;
            0    2     1  description  Lfreemarker/core/_ErrorDescriptionBuilder;
            0    2     2          env  Lfreemarker/core/Environment;
            0    2     3   expression  Lfreemarker/core/Expression;
    MethodParameters:
             Name  Flags
      description  
      env          
      expression   

  static freemarker.core.InvalidReferenceException getInstance(freemarker.core.Expression, freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Expression;Lfreemarker/core/Environment;)Lfreemarker/core/InvalidReferenceException;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // freemarker.core.Expression blamed
        start local 1 // freemarker.core.Environment env
         0: .line 106
            aload 1 /* env */
            ifnull 2
            aload 1 /* env */
            invokevirtual freemarker.core.Environment.getFastInvalidReferenceExceptions:()Z
            ifeq 2
         1: .line 107
            getstatic freemarker.core.InvalidReferenceException.FAST_INSTANCE:Lfreemarker/core/InvalidReferenceException;
            areturn
         2: .line 109
      StackMap locals:
      StackMap stack:
            aload 0 /* blamed */
            ifnull 31
         3: .line 111
            new freemarker.core._ErrorDescriptionBuilder
            dup
            ldc "The following has evaluated to null or missing:"
            invokespecial freemarker.core._ErrorDescriptionBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* blamed */
            invokevirtual freemarker.core._ErrorDescriptionBuilder.blame:(Lfreemarker/core/Expression;)Lfreemarker/core/_ErrorDescriptionBuilder;
         4: .line 110
            astore 2 /* errDescBuilder */
        start local 2 // freemarker.core._ErrorDescriptionBuilder errDescBuilder
         5: .line 112
            aload 0 /* blamed */
            invokestatic freemarker.core.InvalidReferenceException.endsWithDollarVariable:(Lfreemarker/core/Expression;)Z
            ifeq 8
         6: .line 113
            aload 2 /* errDescBuilder */
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "Variable references must not start with \"$\", unless the \"$\" is really part of the variable name."
            aastore
            dup
            iconst_1
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            aastore
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tips:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
         7: .line 114
            goto 30
      StackMap locals: freemarker.core._ErrorDescriptionBuilder
      StackMap stack:
         8: aload 0 /* blamed */
            instanceof freemarker.core.Dot
            ifeq 22
         9: .line 115
            aload 0 /* blamed */
            checkcast freemarker.core.Dot
            invokevirtual freemarker.core.Dot.getRHO:()Ljava/lang/String;
            astore 3 /* rho */
        start local 3 // java.lang.String rho
        10: .line 116
            aconst_null
            astore 4 /* nameFixTip */
        start local 4 // java.lang.String nameFixTip
        11: .line 117
            ldc "size"
            aload 3 /* rho */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 14
        12: .line 118
            ldc "To query the size of a collection or map use ?size, like myList?size"
            astore 4 /* nameFixTip */
        13: .line 119
            goto 16
      StackMap locals: java.lang.String java.lang.String
      StackMap stack:
        14: ldc "length"
            aload 3 /* rho */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 16
        15: .line 120
            ldc "To query the length of a string use ?length, like myString?size"
            astore 4 /* nameFixTip */
        16: .line 122
      StackMap locals:
      StackMap stack:
            aload 2 /* errDescBuilder */
        17: .line 123
            aload 4 /* nameFixTip */
            ifnonnull 19
        18: .line 124
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "It's the step after the last dot that caused this error, not those before it."
            aastore
            dup
            iconst_1
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            aastore
            goto 20
        19: .line 125
      StackMap locals:
      StackMap stack: freemarker.core._ErrorDescriptionBuilder
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "It's the step after the last dot that caused this error, not those before it."
            aastore
            dup
            iconst_1
            aload 4 /* nameFixTip */
            aastore
            dup
            iconst_2
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            aastore
        20: .line 122
      StackMap locals: freemarker.core.Expression freemarker.core.Environment freemarker.core._ErrorDescriptionBuilder java.lang.String java.lang.String
      StackMap stack: freemarker.core._ErrorDescriptionBuilder java.lang.Object[]
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tips:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        end local 4 // java.lang.String nameFixTip
        end local 3 // java.lang.String rho
        21: .line 126
            goto 30
      StackMap locals:
      StackMap stack:
        22: aload 0 /* blamed */
            instanceof freemarker.core.DynamicKeyName
            ifeq 25
        23: .line 127
            aload 2 /* errDescBuilder */
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "It's the final [] step that caused this error, not those before it."
            aastore
            dup
            iconst_1
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            aastore
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tips:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        24: .line 128
            goto 30
      StackMap locals:
      StackMap stack:
        25: aload 0 /* blamed */
            instanceof freemarker.core.Identifier
            ifeq 29
        26: .line 129
            aload 0 /* blamed */
            checkcast freemarker.core.Identifier
            invokevirtual freemarker.core.Identifier.getName:()Ljava/lang/String;
            ldc "JspTaglibs"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 29
        27: .line 130
            aload 2 /* errDescBuilder */
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "The \"JspTaglibs\" variable isn't a core FreeMarker feature; it's only available when templates are invoked through freemarker.ext.servlet.FreemarkerServlet (or other custom FreeMarker-JSP integration solution)."
            aastore
            dup
            iconst_1
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            aastore
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tips:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        28: .line 131
            goto 30
        29: .line 132
      StackMap locals:
      StackMap stack:
            aload 2 /* errDescBuilder */
            getstatic freemarker.core.InvalidReferenceException.TIP:[Ljava/lang/Object;
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tip:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        30: .line 134
      StackMap locals:
      StackMap stack:
            new freemarker.core.InvalidReferenceException
            dup
            aload 2 /* errDescBuilder */
            aload 1 /* env */
            aload 0 /* blamed */
            invokespecial freemarker.core.InvalidReferenceException.<init>:(Lfreemarker/core/_ErrorDescriptionBuilder;Lfreemarker/core/Environment;Lfreemarker/core/Expression;)V
            areturn
        end local 2 // freemarker.core._ErrorDescriptionBuilder errDescBuilder
        31: .line 136
      StackMap locals:
      StackMap stack:
            new freemarker.core.InvalidReferenceException
            dup
            aload 1 /* env */
            invokespecial freemarker.core.InvalidReferenceException.<init>:(Lfreemarker/core/Environment;)V
            areturn
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.Expression blamed
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   32     0          blamed  Lfreemarker/core/Expression;
            0   32     1             env  Lfreemarker/core/Environment;
            5   31     2  errDescBuilder  Lfreemarker/core/_ErrorDescriptionBuilder;
           10   21     3             rho  Ljava/lang/String;
           11   21     4      nameFixTip  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      blamed  
      env     

  static freemarker.core.InvalidReferenceException getInstance(int, java.lang.String, java.lang.String, freemarker.core.Environment);
    descriptor: (ILjava/lang/String;Ljava/lang/String;Lfreemarker/core/Environment;)Lfreemarker/core/InvalidReferenceException;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=5, args_size=4
        start local 0 // int scope
        start local 1 // java.lang.String missingAssignedVarName
        start local 2 // java.lang.String assignmentOperator
        start local 3 // freemarker.core.Environment env
         0: .line 146
            aload 3 /* env */
            ifnull 2
            aload 3 /* env */
            invokevirtual freemarker.core.Environment.getFastInvalidReferenceExceptions:()Z
            ifeq 2
         1: .line 147
            getstatic freemarker.core.InvalidReferenceException.FAST_INSTANCE:Lfreemarker/core/InvalidReferenceException;
            areturn
         2: .line 149
      StackMap locals:
      StackMap stack:
            new freemarker.core._ErrorDescriptionBuilder
            dup
            iconst_5
            anewarray java.lang.Object
            dup
            iconst_0
         3: .line 150
            ldc "The target variable of the assignment, "
            aastore
            dup
            iconst_1
         4: .line 151
            new freemarker.core._DelayedJQuote
            dup
            aload 1 /* missingAssignedVarName */
            invokespecial freemarker.core._DelayedJQuote.<init>:(Ljava/lang/Object;)V
            aastore
            dup
            iconst_2
         5: .line 152
            new java.lang.StringBuilder
            dup
            ldc ", was null or missing in the "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 0 /* scope */
            invokestatic freemarker.core.Assignment.scopeAsString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ", and the \""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aastore
            dup
            iconst_3
         6: .line 153
            aload 2 /* assignmentOperator */
            aastore
            dup
            iconst_4
            ldc "\" operator must get its value from there before assigning to it."
         7: .line 149
            aastore
            invokespecial freemarker.core._ErrorDescriptionBuilder.<init>:([Ljava/lang/Object;)V
            astore 4 /* errDescBuilder */
        start local 4 // freemarker.core._ErrorDescriptionBuilder errDescBuilder
         8: .line 155
            aload 1 /* missingAssignedVarName */
            ldc "$"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 11
         9: .line 156
            aload 4 /* errDescBuilder */
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "Variable references must not start with \"$\", unless the \"$\" is really part of the variable name."
            aastore
            dup
            iconst_1
            getstatic freemarker.core.InvalidReferenceException.TIP_MISSING_ASSIGNMENT_TARGET:[Ljava/lang/Object;
            aastore
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tips:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        10: .line 157
            goto 12
        11: .line 158
      StackMap locals: freemarker.core._ErrorDescriptionBuilder
      StackMap stack:
            aload 4 /* errDescBuilder */
            getstatic freemarker.core.InvalidReferenceException.TIP_MISSING_ASSIGNMENT_TARGET:[Ljava/lang/Object;
            invokevirtual freemarker.core._ErrorDescriptionBuilder.tip:([Ljava/lang/Object;)Lfreemarker/core/_ErrorDescriptionBuilder;
            pop
        12: .line 160
      StackMap locals:
      StackMap stack:
            new freemarker.core.InvalidReferenceException
            dup
            aload 4 /* errDescBuilder */
            aload 3 /* env */
            aconst_null
            invokespecial freemarker.core.InvalidReferenceException.<init>:(Lfreemarker/core/_ErrorDescriptionBuilder;Lfreemarker/core/Environment;Lfreemarker/core/Expression;)V
            areturn
        end local 4 // freemarker.core._ErrorDescriptionBuilder errDescBuilder
        end local 3 // freemarker.core.Environment env
        end local 2 // java.lang.String assignmentOperator
        end local 1 // java.lang.String missingAssignedVarName
        end local 0 // int scope
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   13     0                   scope  I
            0   13     1  missingAssignedVarName  Ljava/lang/String;
            0   13     2      assignmentOperator  Ljava/lang/String;
            0   13     3                     env  Lfreemarker/core/Environment;
            8   13     4          errDescBuilder  Lfreemarker/core/_ErrorDescriptionBuilder;
    MethodParameters:
                        Name  Flags
      scope                   
      missingAssignedVarName  
      assignmentOperator      
      env                     

  private static boolean endsWithDollarVariable(freemarker.core.Expression);
    descriptor: (Lfreemarker/core/Expression;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // freemarker.core.Expression blame
         0: .line 165
            aload 0 /* blame */
            instanceof freemarker.core.Identifier
            ifeq 1
            aload 0 /* blame */
            checkcast freemarker.core.Identifier
            invokevirtual freemarker.core.Identifier.getName:()Ljava/lang/String;
            ldc "$"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 3
         1: .line 166
      StackMap locals:
      StackMap stack:
            aload 0 /* blame */
            instanceof freemarker.core.Dot
            ifeq 2
            aload 0 /* blame */
            checkcast freemarker.core.Dot
            invokevirtual freemarker.core.Dot.getRHO:()Ljava/lang/String;
            ldc "$"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 3
         2: .line 165
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         3: iconst_1
            ireturn
        end local 0 // freemarker.core.Expression blame
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0  blame  Lfreemarker/core/Expression;
    MethodParameters:
       Name  Flags
      blame  
}
SourceFile: "InvalidReferenceException.java"