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.template.SimpleSequence extends freemarker.template.WrappingTemplateModel implements freemarker.template.TemplateSequenceModel, java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: freemarker.template.SimpleSequence
  super_class: freemarker.template.WrappingTemplateModel
{
  protected final java.util.List list;
    descriptor: Ljava/util/List;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  private java.util.List unwrappedList;
    descriptor: Ljava/util/List;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // freemarker.template.SimpleSequence this
         0: .line 86
            aload 0 /* this */
            aconst_null
            invokespecial freemarker.template.SimpleSequence.<init>:(Lfreemarker/template/ObjectWrapper;)V
         1: .line 87
            return
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lfreemarker/template/SimpleSequence;
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // int capacity
         0: .line 97
            aload 0 /* this */
            invokespecial freemarker.template.WrappingTemplateModel.<init>:()V
         1: .line 98
            aload 0 /* this */
            new java.util.ArrayList
            dup
            iload 1 /* capacity */
            invokespecial java.util.ArrayList.<init>:(I)V
            putfield freemarker.template.SimpleSequence.list:Ljava/util/List;
         2: .line 99
            return
        end local 1 // int capacity
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lfreemarker/template/SimpleSequence;
            0    3     1  capacity  I
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
          Name  Flags
      capacity  

  public void <init>(java.util.Collection);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // java.util.Collection collection
         0: .line 113
            aload 0 /* this */
            aload 1 /* collection */
            aconst_null
            invokespecial freemarker.template.SimpleSequence.<init>:(Ljava/util/Collection;Lfreemarker/template/ObjectWrapper;)V
         1: .line 114
            return
        end local 1 // java.util.Collection collection
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lfreemarker/template/SimpleSequence;
            0    2     1  collection  Ljava/util/Collection;
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
            Name  Flags
      collection  

  public void <init>(freemarker.template.TemplateCollectionModel);
    descriptor: (Lfreemarker/template/TemplateCollectionModel;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // freemarker.template.TemplateCollectionModel tcm
         0: .line 122
            aload 0 /* this */
            invokespecial freemarker.template.WrappingTemplateModel.<init>:()V
         1: .line 123
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* alist */
        start local 2 // java.util.ArrayList alist
         2: .line 124
            aload 1 /* tcm */
            invokeinterface freemarker.template.TemplateCollectionModel.iterator:()Lfreemarker/template/TemplateModelIterator;
            astore 3 /* it */
        start local 3 // freemarker.template.TemplateModelIterator it
         3: goto 5
         4: .line 125
      StackMap locals: freemarker.template.SimpleSequence freemarker.template.TemplateCollectionModel java.util.ArrayList freemarker.template.TemplateModelIterator
      StackMap stack:
            aload 2 /* alist */
            aload 3 /* it */
            invokeinterface freemarker.template.TemplateModelIterator.next:()Lfreemarker/template/TemplateModel;
            invokevirtual java.util.ArrayList.add:(Ljava/lang/Object;)Z
            pop
         5: .line 124
      StackMap locals:
      StackMap stack:
            aload 3 /* it */
            invokeinterface freemarker.template.TemplateModelIterator.hasNext:()Z
            ifne 4
        end local 3 // freemarker.template.TemplateModelIterator it
         6: .line 127
            aload 2 /* alist */
            invokevirtual java.util.ArrayList.trimToSize:()V
         7: .line 128
            aload 0 /* this */
            aload 2 /* alist */
            putfield freemarker.template.SimpleSequence.list:Ljava/util/List;
         8: .line 129
            return
        end local 2 // java.util.ArrayList alist
        end local 1 // freemarker.template.TemplateCollectionModel tcm
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0   this  Lfreemarker/template/SimpleSequence;
            0    9     1    tcm  Lfreemarker/template/TemplateCollectionModel;
            2    9     2  alist  Ljava/util/ArrayList;
            3    6     3     it  Lfreemarker/template/TemplateModelIterator;
    Exceptions:
      throws freemarker.template.TemplateModelException
    MethodParameters:
      Name  Flags
      tcm   

  public void <init>(freemarker.template.ObjectWrapper);
    descriptor: (Lfreemarker/template/ObjectWrapper;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // freemarker.template.ObjectWrapper wrapper
         0: .line 140
            aload 0 /* this */
            aload 1 /* wrapper */
            invokespecial freemarker.template.WrappingTemplateModel.<init>:(Lfreemarker/template/ObjectWrapper;)V
         1: .line 141
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield freemarker.template.SimpleSequence.list:Ljava/util/List;
         2: .line 142
            return
        end local 1 // freemarker.template.ObjectWrapper wrapper
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lfreemarker/template/SimpleSequence;
            0    3     1  wrapper  Lfreemarker/template/ObjectWrapper;
    MethodParameters:
         Name  Flags
      wrapper  

  public void <init>(int, freemarker.template.ObjectWrapper);
    descriptor: (ILfreemarker/template/ObjectWrapper;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // int capacity
        start local 2 // freemarker.template.ObjectWrapper wrapper
         0: .line 153
            aload 0 /* this */
            aload 2 /* wrapper */
            invokespecial freemarker.template.WrappingTemplateModel.<init>:(Lfreemarker/template/ObjectWrapper;)V
         1: .line 154
            aload 0 /* this */
            new java.util.ArrayList
            dup
            iload 1 /* capacity */
            invokespecial java.util.ArrayList.<init>:(I)V
            putfield freemarker.template.SimpleSequence.list:Ljava/util/List;
         2: .line 155
            return
        end local 2 // freemarker.template.ObjectWrapper wrapper
        end local 1 // int capacity
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lfreemarker/template/SimpleSequence;
            0    3     1  capacity  I
            0    3     2   wrapper  Lfreemarker/template/ObjectWrapper;
    MethodParameters:
          Name  Flags
      capacity  
      wrapper   

  public void <init>(java.util.Collection, freemarker.template.ObjectWrapper);
    descriptor: (Ljava/util/Collection;Lfreemarker/template/ObjectWrapper;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // java.util.Collection collection
        start local 2 // freemarker.template.ObjectWrapper wrapper
         0: .line 170
            aload 0 /* this */
            aload 2 /* wrapper */
            invokespecial freemarker.template.WrappingTemplateModel.<init>:(Lfreemarker/template/ObjectWrapper;)V
         1: .line 171
            aload 0 /* this */
            new java.util.ArrayList
            dup
            aload 1 /* collection */
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            putfield freemarker.template.SimpleSequence.list:Ljava/util/List;
         2: .line 172
            return
        end local 2 // freemarker.template.ObjectWrapper wrapper
        end local 1 // java.util.Collection collection
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Lfreemarker/template/SimpleSequence;
            0    3     1  collection  Ljava/util/Collection;
            0    3     2     wrapper  Lfreemarker/template/ObjectWrapper;
    MethodParameters:
            Name  Flags
      collection  
      wrapper     

  public void add(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // java.lang.Object obj
         0: .line 183
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            aload 1 /* obj */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         1: .line 184
            aload 0 /* this */
            aconst_null
            putfield freemarker.template.SimpleSequence.unwrappedList:Ljava/util/List;
         2: .line 185
            return
        end local 1 // java.lang.Object obj
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/template/SimpleSequence;
            0    3     1   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public void add(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // boolean b
         0: .line 198
            aload 0 /* this */
            iload 1 /* b */
            ifeq 1
            getstatic freemarker.template.TemplateBooleanModel.TRUE:Lfreemarker/template/TemplateBooleanModel;
            goto 2
      StackMap locals:
      StackMap stack: freemarker.template.SimpleSequence
         1: getstatic freemarker.template.TemplateBooleanModel.FALSE:Lfreemarker/template/TemplateBooleanModel;
      StackMap locals: freemarker.template.SimpleSequence int
      StackMap stack: freemarker.template.SimpleSequence freemarker.template.TemplateBooleanModel
         2: invokevirtual freemarker.template.SimpleSequence.add:(Ljava/lang/Object;)V
         3: .line 199
            return
        end local 1 // boolean b
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/template/SimpleSequence;
            0    4     1     b  Z
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
      Name  Flags
      b     

  public java.util.List toList();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=1
        start local 0 // freemarker.template.SimpleSequence this
         0: .line 210
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.unwrappedList:Ljava/util/List;
            ifnonnull 19
         1: .line 211
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            astore 1 /* listClass */
        start local 1 // java.lang.Class listClass
         2: .line 212
            aconst_null
            astore 2 /* result */
        start local 2 // java.util.List result
         3: .line 214
            aload 1 /* listClass */
            invokevirtual java.lang.Class.newInstance:()Ljava/lang/Object;
            checkcast java.util.List
            astore 2 /* result */
         4: .line 215
            goto 9
      StackMap locals: freemarker.template.SimpleSequence java.lang.Class java.util.List
      StackMap stack: java.lang.Exception
         5: astore 3 /* e */
        start local 3 // java.lang.Exception e
         6: .line 216
            new freemarker.template.TemplateModelException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Error instantiating an object of type "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* listClass */
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         7: .line 217
            aload 3 /* e */
         8: .line 216
            invokespecial freemarker.template.TemplateModelException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 3 // java.lang.Exception e
         9: .line 219
      StackMap locals:
      StackMap stack:
            invokestatic freemarker.ext.beans.BeansWrapper.getDefaultInstance:()Lfreemarker/ext/beans/BeansWrapper;
            astore 3 /* bw */
        start local 3 // freemarker.ext.beans.BeansWrapper bw
        10: .line 220
            iconst_0
            istore 4 /* i */
        start local 4 // int i
        11: goto 17
        12: .line 221
      StackMap locals: freemarker.ext.beans.BeansWrapper int
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            iload 4 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            astore 5 /* elem */
        start local 5 // java.lang.Object elem
        13: .line 222
            aload 5 /* elem */
            instanceof freemarker.template.TemplateModel
            ifeq 15
        14: .line 223
            aload 3 /* bw */
            aload 5 /* elem */
            checkcast freemarker.template.TemplateModel
            invokevirtual freemarker.ext.beans.BeansWrapper.unwrap:(Lfreemarker/template/TemplateModel;)Ljava/lang/Object;
            astore 5 /* elem */
        15: .line 225
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 2 /* result */
            aload 5 /* elem */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 5 // java.lang.Object elem
        16: .line 220
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        17: iload 4 /* i */
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            if_icmplt 12
        end local 4 // int i
        18: .line 227
            aload 0 /* this */
            aload 2 /* result */
            putfield freemarker.template.SimpleSequence.unwrappedList:Ljava/util/List;
        end local 3 // freemarker.ext.beans.BeansWrapper bw
        end local 2 // java.util.List result
        end local 1 // java.lang.Class listClass
        19: .line 229
      StackMap locals: freemarker.template.SimpleSequence
      StackMap stack:
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.unwrappedList:Ljava/util/List;
            areturn
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   20     0       this  Lfreemarker/template/SimpleSequence;
            2   19     1  listClass  Ljava/lang/Class;
            3   19     2     result  Ljava/util/List;
            6    9     3          e  Ljava/lang/Exception;
           10   19     3         bw  Lfreemarker/ext/beans/BeansWrapper;
           11   18     4          i  I
           13   16     5       elem  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           3     4       5  Class java.lang.Exception
    Exceptions:
      throws freemarker.template.TemplateModelException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  public freemarker.template.TemplateModel get(int);
    descriptor: (I)Lfreemarker/template/TemplateModel;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // freemarker.template.SimpleSequence this
        start local 1 // int index
         0: .line 238
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            iload 1 /* index */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            astore 2 /* value */
        start local 2 // java.lang.Object value
         1: .line 239
            aload 2 /* value */
            instanceof freemarker.template.TemplateModel
            ifeq 4
         2: .line 240
            aload 2 /* value */
            checkcast freemarker.template.TemplateModel
         3: areturn
         4: .line 242
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aload 2 /* value */
            invokevirtual freemarker.template.SimpleSequence.wrap:(Ljava/lang/Object;)Lfreemarker/template/TemplateModel;
            astore 3 /* tm */
        start local 3 // freemarker.template.TemplateModel tm
         5: .line 243
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            iload 1 /* index */
            aload 3 /* tm */
            invokeinterface java.util.List.set:(ILjava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 244
            aload 3 /* tm */
         7: areturn
        end local 3 // freemarker.template.TemplateModel tm
        end local 2 // java.lang.Object value
         8: .line 245
      StackMap locals: freemarker.template.SimpleSequence int
      StackMap stack: java.lang.IndexOutOfBoundsException
            pop
         9: .line 246
            aconst_null
            areturn
        end local 1 // int index
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0   this  Lfreemarker/template/SimpleSequence;
            0   10     1  index  I
            1    8     2  value  Ljava/lang/Object;
            5    8     3     tm  Lfreemarker/template/TemplateModel;
      Exception table:
        from    to  target  type
           0     3       8  Class java.lang.IndexOutOfBoundsException
           4     7       8  Class java.lang.IndexOutOfBoundsException
    Exceptions:
      throws freemarker.template.TemplateModelException
    MethodParameters:
       Name  Flags
      index  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.template.SimpleSequence this
         0: .line 251
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            ireturn
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/template/SimpleSequence;

  public freemarker.template.SimpleSequence synchronizedWrapper();
    descriptor: ()Lfreemarker/template/SimpleSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // freemarker.template.SimpleSequence this
         0: .line 258
            new freemarker.template.SimpleSequence$SynchronizedSequence
            dup
            aload 0 /* this */
            invokespecial freemarker.template.SimpleSequence$SynchronizedSequence.<init>:(Lfreemarker/template/SimpleSequence;)V
            areturn
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/template/SimpleSequence;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.template.SimpleSequence this
         0: .line 263
            aload 0 /* this */
            getfield freemarker.template.SimpleSequence.list:Ljava/util/List;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            areturn
        end local 0 // freemarker.template.SimpleSequence this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/template/SimpleSequence;
}
SourceFile: "SimpleSequence.java"
NestMembers:
  freemarker.template.SimpleSequence$SynchronizedSequence
InnerClasses:
  private SynchronizedSequence = freemarker.template.SimpleSequence$SynchronizedSequence of freemarker.template.SimpleSequence