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.HashLiteral extends freemarker.core.Expression
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: freemarker.core.HashLiteral
  super_class: freemarker.core.Expression
{
  private final java.util.ArrayList keys;
    descriptor: Ljava/util/ArrayList;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.ArrayList values;
    descriptor: Ljava/util/ArrayList;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int size;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.util.ArrayList, java.util.ArrayList);
    descriptor: (Ljava/util/ArrayList;Ljava/util/ArrayList;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // java.util.ArrayList keys
        start local 2 // java.util.ArrayList values
         0: .line 41
            aload 0 /* this */
            invokespecial freemarker.core.Expression.<init>:()V
         1: .line 42
            aload 0 /* this */
            aload 1 /* keys */
            putfield freemarker.core.HashLiteral.keys:Ljava/util/ArrayList;
         2: .line 43
            aload 0 /* this */
            aload 2 /* values */
            putfield freemarker.core.HashLiteral.values:Ljava/util/ArrayList;
         3: .line 44
            aload 0 /* this */
            aload 1 /* keys */
            invokevirtual java.util.ArrayList.size:()I
            putfield freemarker.core.HashLiteral.size:I
         4: .line 45
            aload 1 /* keys */
            invokevirtual java.util.ArrayList.trimToSize:()V
         5: .line 46
            aload 2 /* values */
            invokevirtual java.util.ArrayList.trimToSize:()V
         6: .line 47
            return
        end local 2 // java.util.ArrayList values
        end local 1 // java.util.ArrayList keys
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lfreemarker/core/HashLiteral;
            0    7     1    keys  Ljava/util/ArrayList;
            0    7     2  values  Ljava/util/ArrayList;
    MethodParameters:
        Name  Flags
      keys    
      values  

  freemarker.template.TemplateModel _eval(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Lfreemarker/template/TemplateModel;
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // freemarker.core.Environment env
         0: .line 51
            new freemarker.core.HashLiteral$SequenceHash
            dup
            aload 0 /* this */
            aload 1 /* env */
            invokespecial freemarker.core.HashLiteral$SequenceHash.<init>:(Lfreemarker/core/HashLiteral;Lfreemarker/core/Environment;)V
            areturn
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/HashLiteral;
            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=5, args_size=1
        start local 0 // freemarker.core.HashLiteral this
         0: .line 56
            new java.lang.StringBuilder
            dup
            ldc "{"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            astore 1 /* buf */
        start local 1 // java.lang.StringBuilder buf
         1: .line 57
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 11
         3: .line 58
      StackMap locals: java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.keys:Ljava/util/ArrayList;
            iload 2 /* i */
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
            checkcast freemarker.core.Expression
            astore 3 /* key */
        start local 3 // freemarker.core.Expression key
         4: .line 59
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.values:Ljava/util/ArrayList;
            iload 2 /* i */
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
            checkcast freemarker.core.Expression
            astore 4 /* value */
        start local 4 // freemarker.core.Expression value
         5: .line 60
            aload 1 /* buf */
            aload 3 /* key */
            invokevirtual freemarker.core.Expression.getCanonicalForm:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 61
            aload 1 /* buf */
            ldc ": "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         7: .line 62
            aload 1 /* buf */
            aload 4 /* value */
            invokevirtual freemarker.core.Expression.getCanonicalForm:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         8: .line 63
            iload 2 /* i */
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.size:I
            iconst_1
            isub
            if_icmpeq 10
         9: .line 64
            aload 1 /* buf */
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        end local 4 // freemarker.core.Expression value
        end local 3 // freemarker.core.Expression key
        10: .line 57
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 2 /* i */
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.size:I
            if_icmplt 3
        end local 2 // int i
        12: .line 67
            aload 1 /* buf */
            ldc "}"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        13: .line 68
            aload 1 /* buf */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder buf
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   14     0   this  Lfreemarker/core/HashLiteral;
            1   14     1    buf  Ljava/lang/StringBuilder;
            2   12     2      i  I
            4   10     3    key  Lfreemarker/core/Expression;
            5   10     4  value  Lfreemarker/core/Expression;

  java.lang.String getNodeTypeSymbol();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.HashLiteral this
         0: .line 73
            ldc "{...}"
            areturn
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/HashLiteral;

  boolean isLiteral();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // freemarker.core.HashLiteral this
         0: .line 78
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.constantValue:Lfreemarker/template/TemplateModel;
            ifnull 2
         1: .line 79
            iconst_1
            ireturn
         2: .line 81
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         3: goto 9
         4: .line 82
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.keys:Ljava/util/ArrayList;
            iload 1 /* i */
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
            checkcast freemarker.core.Expression
            astore 2 /* key */
        start local 2 // freemarker.core.Expression key
         5: .line 83
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.values:Ljava/util/ArrayList;
            iload 1 /* i */
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
            checkcast freemarker.core.Expression
            astore 3 /* value */
        start local 3 // freemarker.core.Expression value
         6: .line 84
            aload 2 /* key */
            invokevirtual freemarker.core.Expression.isLiteral:()Z
            ifeq 7
            aload 3 /* value */
            invokevirtual freemarker.core.Expression.isLiteral:()Z
            ifne 8
         7: .line 85
      StackMap locals: freemarker.core.Expression freemarker.core.Expression
      StackMap stack:
            iconst_0
            ireturn
        end local 3 // freemarker.core.Expression value
        end local 2 // freemarker.core.Expression key
         8: .line 81
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 1 /* i */
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.size:I
            if_icmplt 4
        end local 1 // int i
        10: .line 88
            iconst_1
            ireturn
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   11     0   this  Lfreemarker/core/HashLiteral;
            3   10     1      i  I
            5    8     2    key  Lfreemarker/core/Expression;
            6    8     3  value  Lfreemarker/core/Expression;

  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=5, locals=7, args_size=4
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // java.lang.String replacedIdentifier
        start local 2 // freemarker.core.Expression replacement
        start local 3 // freemarker.core.Expression$ReplacemenetState replacementState
         0: .line 95
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.keys:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.clone:()Ljava/lang/Object;
            checkcast java.util.ArrayList
            astore 4 /* clonedKeys */
        start local 4 // java.util.ArrayList clonedKeys
         1: .line 96
            aload 4 /* clonedKeys */
            invokevirtual java.util.ArrayList.listIterator:()Ljava/util/ListIterator;
            astore 5 /* iter */
        start local 5 // java.util.ListIterator iter
         2: goto 6
         3: .line 97
      StackMap locals: java.util.ArrayList java.util.ListIterator
      StackMap stack:
            aload 5 /* iter */
            aload 5 /* iter */
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast freemarker.core.Expression
         4: .line 98
            aload 1 /* replacedIdentifier */
            aload 2 /* replacement */
            aload 3 /* replacementState */
         5: .line 97
            invokevirtual freemarker.core.Expression.deepCloneWithIdentifierReplaced:(Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
            invokeinterface java.util.ListIterator.set:(Ljava/lang/Object;)V
         6: .line 96
      StackMap locals:
      StackMap stack:
            aload 5 /* iter */
            invokeinterface java.util.ListIterator.hasNext:()Z
            ifne 3
        end local 5 // java.util.ListIterator iter
         7: .line 100
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.values:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.clone:()Ljava/lang/Object;
            checkcast java.util.ArrayList
            astore 5 /* clonedValues */
        start local 5 // java.util.ArrayList clonedValues
         8: .line 101
            aload 5 /* clonedValues */
            invokevirtual java.util.ArrayList.listIterator:()Ljava/util/ListIterator;
            astore 6 /* iter */
        start local 6 // java.util.ListIterator iter
         9: goto 13
        10: .line 102
      StackMap locals: freemarker.core.HashLiteral java.lang.String freemarker.core.Expression freemarker.core.Expression$ReplacemenetState java.util.ArrayList java.util.ArrayList java.util.ListIterator
      StackMap stack:
            aload 6 /* iter */
            aload 6 /* iter */
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast freemarker.core.Expression
        11: .line 103
            aload 1 /* replacedIdentifier */
            aload 2 /* replacement */
            aload 3 /* replacementState */
        12: .line 102
            invokevirtual freemarker.core.Expression.deepCloneWithIdentifierReplaced:(Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
            invokeinterface java.util.ListIterator.set:(Ljava/lang/Object;)V
        13: .line 101
      StackMap locals:
      StackMap stack:
            aload 6 /* iter */
            invokeinterface java.util.ListIterator.hasNext:()Z
            ifne 10
        end local 6 // java.util.ListIterator iter
        14: .line 105
            new freemarker.core.HashLiteral
            dup
            aload 4 /* clonedKeys */
            aload 5 /* clonedValues */
            invokespecial freemarker.core.HashLiteral.<init>:(Ljava/util/ArrayList;Ljava/util/ArrayList;)V
            areturn
        end local 5 // java.util.ArrayList clonedValues
        end local 4 // java.util.ArrayList clonedKeys
        end local 3 // freemarker.core.Expression$ReplacemenetState replacementState
        end local 2 // freemarker.core.Expression replacement
        end local 1 // java.lang.String replacedIdentifier
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   15     0                this  Lfreemarker/core/HashLiteral;
            0   15     1  replacedIdentifier  Ljava/lang/String;
            0   15     2         replacement  Lfreemarker/core/Expression;
            0   15     3    replacementState  Lfreemarker/core/Expression$ReplacemenetState;
            1   15     4          clonedKeys  Ljava/util/ArrayList;
            2    7     5                iter  Ljava/util/ListIterator;
            8   15     5        clonedValues  Ljava/util/ArrayList;
            9   14     6                iter  Ljava/util/ListIterator;
    MethodParameters:
                    Name  Flags
      replacedIdentifier  
      replacement         
      replacementState    

  int getParameterCount();
    descriptor: ()I
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // freemarker.core.HashLiteral this
         0: .line 214
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.size:I
            iconst_2
            imul
            ireturn
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/HashLiteral;

  java.lang.Object getParameterValue(int);
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // int idx
         0: .line 219
            aload 0 /* this */
            iload 1 /* idx */
            invokevirtual freemarker.core.HashLiteral.checkIndex:(I)V
         1: .line 220
            iload 1 /* idx */
            iconst_2
            irem
            ifne 2
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.keys:Ljava/util/ArrayList;
            iload 1 /* idx */
            iconst_2
            idiv
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
            goto 3
      StackMap locals:
      StackMap stack:
         2: aload 0 /* this */
            getfield freemarker.core.HashLiteral.values:Ljava/util/ArrayList;
            iload 1 /* idx */
            iconst_2
            idiv
            invokevirtual java.util.ArrayList.get:(I)Ljava/lang/Object;
      StackMap locals:
      StackMap stack: java.lang.Object
         3: areturn
        end local 1 // int idx
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/core/HashLiteral;
            0    4     1   idx  I
    MethodParameters:
      Name  Flags
      idx   

  freemarker.core.ParameterRole getParameterRole(int);
    descriptor: (I)Lfreemarker/core/ParameterRole;
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // int idx
         0: .line 225
            aload 0 /* this */
            iload 1 /* idx */
            invokevirtual freemarker.core.HashLiteral.checkIndex:(I)V
         1: .line 226
            iload 1 /* idx */
            iconst_2
            irem
            ifne 2
            getstatic freemarker.core.ParameterRole.ITEM_KEY:Lfreemarker/core/ParameterRole;
            goto 3
      StackMap locals:
      StackMap stack:
         2: getstatic freemarker.core.ParameterRole.ITEM_VALUE:Lfreemarker/core/ParameterRole;
      StackMap locals:
      StackMap stack: freemarker.core.ParameterRole
         3: areturn
        end local 1 // int idx
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/core/HashLiteral;
            0    4     1   idx  I
    MethodParameters:
      Name  Flags
      idx   

  private void checkIndex(int);
    descriptor: (I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.HashLiteral this
        start local 1 // int idx
         0: .line 230
            iload 1 /* idx */
            aload 0 /* this */
            getfield freemarker.core.HashLiteral.size:I
            iconst_2
            imul
            if_icmplt 2
         1: .line 231
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         2: .line 233
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int idx
        end local 0 // freemarker.core.HashLiteral this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/core/HashLiteral;
            0    3     1   idx  I
    MethodParameters:
      Name  Flags
      idx   
}
SourceFile: "HashLiteral.java"
NestMembers:
  freemarker.core.HashLiteral$SequenceHash  freemarker.core.HashLiteral$SequenceHash$1  freemarker.core.HashLiteral$SequenceHash$1$1
InnerClasses:
  ReplacemenetState = freemarker.core.Expression$ReplacemenetState of freemarker.core.Expression
  private SequenceHash = freemarker.core.HashLiteral$SequenceHash of freemarker.core.HashLiteral