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.CustomAttribute
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: freemarker.core.CustomAttribute
  super_class: java.lang.Object
{
  public static final int SCOPE_ENVIRONMENT;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static final int SCOPE_TEMPLATE;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  public static final int SCOPE_CONFIGURATION;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  private final java.lang.Object key;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // int scope
         0: .line 71
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 64
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
         2: .line 72
            iload 1 /* scope */
            ifeq 6
         3: .line 73
            iload 1 /* scope */
            iconst_1
            if_icmpeq 6
         4: .line 74
            iload 1 /* scope */
            iconst_2
            if_icmpeq 6
         5: .line 75
            new java.lang.IllegalArgumentException
            dup
            invokespecial java.lang.IllegalArgumentException.<init>:()V
            athrow
         6: .line 77
      StackMap locals: freemarker.core.CustomAttribute int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* scope */
            putfield freemarker.core.CustomAttribute.scope:I
         7: .line 78
            return
        end local 1 // int scope
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lfreemarker/core/CustomAttribute;
            0    8     1  scope  I
    MethodParameters:
       Name  Flags
      scope  

  protected java.lang.Object create();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.CustomAttribute this
         0: .line 87
            aconst_null
            areturn
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/CustomAttribute;

  public final java.lang.Object get(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // freemarker.core.Environment env
         0: .line 105
            aload 0 /* this */
            aload 1 /* env */
            invokevirtual freemarker.core.CustomAttribute.getScopeConfigurable:(Lfreemarker/core/Environment;)Lfreemarker/core/Configurable;
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 0 /* this */
            invokevirtual freemarker.core.Configurable.getCustomAttribute:(Ljava/lang/Object;Lfreemarker/core/CustomAttribute;)Ljava/lang/Object;
            areturn
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/CustomAttribute;
            0    1     1   env  Lfreemarker/core/Environment;
    MethodParameters:
      Name  Flags
      env   

  public final java.lang.Object get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // freemarker.core.CustomAttribute this
         0: .line 116
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual freemarker.core.CustomAttribute.getRequiredCurrentEnvironment:()Lfreemarker/core/Environment;
            invokevirtual freemarker.core.CustomAttribute.getScopeConfigurable:(Lfreemarker/core/Environment;)Lfreemarker/core/Configurable;
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 0 /* this */
            invokevirtual freemarker.core.Configurable.getCustomAttribute:(Ljava/lang/Object;Lfreemarker/core/CustomAttribute;)Ljava/lang/Object;
            areturn
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/CustomAttribute;

  public final java.lang.Object get(freemarker.template.Template);
    descriptor: (Lfreemarker/template/Template;)Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // freemarker.template.Template template
         0: .line 128
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_1
            if_icmpeq 2
         1: .line 129
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a template-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 131
      StackMap locals:
      StackMap stack:
            aload 1 /* template */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 0 /* this */
            invokevirtual freemarker.core.Configurable.getCustomAttribute:(Ljava/lang/Object;Lfreemarker/core/CustomAttribute;)Ljava/lang/Object;
            areturn
        end local 1 // freemarker.template.Template template
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lfreemarker/core/CustomAttribute;
            0    3     1  template  Lfreemarker/template/Template;
    MethodParameters:
          Name  Flags
      template  

  public java.lang.Object get(freemarker.core.TemplateConfiguration);
    descriptor: (Lfreemarker/core/TemplateConfiguration;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // freemarker.core.TemplateConfiguration templateConfiguration
         0: .line 140
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_1
            if_icmpeq 2
         1: .line 141
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a template-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 143
      StackMap locals:
      StackMap stack:
            aload 1 /* templateConfiguration */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 0 /* this */
            invokevirtual freemarker.core.TemplateConfiguration.getCustomAttribute:(Ljava/lang/Object;Lfreemarker/core/CustomAttribute;)Ljava/lang/Object;
            areturn
        end local 1 // freemarker.core.TemplateConfiguration templateConfiguration
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    3     0                   this  Lfreemarker/core/CustomAttribute;
            0    3     1  templateConfiguration  Lfreemarker/core/TemplateConfiguration;
    MethodParameters:
                       Name  Flags
      templateConfiguration  

  public final java.lang.Object get(freemarker.template.Configuration);
    descriptor: (Lfreemarker/template/Configuration;)Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // freemarker.template.Configuration cfg
         0: .line 157
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_2
            if_icmpeq 2
         1: .line 158
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a template-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 160
      StackMap locals:
      StackMap stack:
            aload 1 /* cfg */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 0 /* this */
            invokevirtual freemarker.core.Configurable.getCustomAttribute:(Ljava/lang/Object;Lfreemarker/core/CustomAttribute;)Ljava/lang/Object;
            areturn
        end local 1 // freemarker.template.Configuration cfg
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/core/CustomAttribute;
            0    3     1   cfg  Lfreemarker/template/Configuration;
    MethodParameters:
      Name  Flags
      cfg   

  public final void set(java.lang.Object, freemarker.core.Environment);
    descriptor: (Ljava/lang/Object;Lfreemarker/core/Environment;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // java.lang.Object value
        start local 2 // freemarker.core.Environment env
         0: .line 179
            aload 0 /* this */
            aload 2 /* env */
            invokevirtual freemarker.core.CustomAttribute.getScopeConfigurable:(Lfreemarker/core/Environment;)Lfreemarker/core/Configurable;
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 1 /* value */
            invokevirtual freemarker.core.Configurable.setCustomAttribute:(Ljava/lang/Object;Ljava/lang/Object;)V
         1: .line 180
            return
        end local 2 // freemarker.core.Environment env
        end local 1 // java.lang.Object value
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lfreemarker/core/CustomAttribute;
            0    2     1  value  Ljava/lang/Object;
            0    2     2    env  Lfreemarker/core/Environment;
    MethodParameters:
       Name  Flags
      value  
      env    

  public final void set(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // java.lang.Object value
         0: .line 191
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual freemarker.core.CustomAttribute.getRequiredCurrentEnvironment:()Lfreemarker/core/Environment;
            invokevirtual freemarker.core.CustomAttribute.getScopeConfigurable:(Lfreemarker/core/Environment;)Lfreemarker/core/Configurable;
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 1 /* value */
            invokevirtual freemarker.core.Configurable.setCustomAttribute:(Ljava/lang/Object;Ljava/lang/Object;)V
         1: .line 192
            return
        end local 1 // java.lang.Object value
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lfreemarker/core/CustomAttribute;
            0    2     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public final void set(java.lang.Object, freemarker.template.Template);
    descriptor: (Ljava/lang/Object;Lfreemarker/template/Template;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // java.lang.Object value
        start local 2 // freemarker.template.Template template
         0: .line 206
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_1
            if_icmpeq 2
         1: .line 207
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a template-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 209
      StackMap locals:
      StackMap stack:
            aload 2 /* template */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 1 /* value */
            invokevirtual freemarker.core.Configurable.setCustomAttribute:(Ljava/lang/Object;Ljava/lang/Object;)V
         3: .line 210
            return
        end local 2 // freemarker.template.Template template
        end local 1 // java.lang.Object value
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lfreemarker/core/CustomAttribute;
            0    4     1     value  Ljava/lang/Object;
            0    4     2  template  Lfreemarker/template/Template;
    MethodParameters:
          Name  Flags
      value     
      template  

  public final void set(java.lang.Object, freemarker.core.TemplateConfiguration);
    descriptor: (Ljava/lang/Object;Lfreemarker/core/TemplateConfiguration;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // java.lang.Object value
        start local 2 // freemarker.core.TemplateConfiguration templateConfiguration
         0: .line 218
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_1
            if_icmpeq 2
         1: .line 219
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a template-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 221
      StackMap locals:
      StackMap stack:
            aload 2 /* templateConfiguration */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 1 /* value */
            invokevirtual freemarker.core.TemplateConfiguration.setCustomAttribute:(Ljava/lang/Object;Ljava/lang/Object;)V
         3: .line 222
            return
        end local 2 // freemarker.core.TemplateConfiguration templateConfiguration
        end local 1 // java.lang.Object value
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    4     0                   this  Lfreemarker/core/CustomAttribute;
            0    4     1                  value  Ljava/lang/Object;
            0    4     2  templateConfiguration  Lfreemarker/core/TemplateConfiguration;
    MethodParameters:
                       Name  Flags
      value                  
      templateConfiguration  

  public final void set(java.lang.Object, freemarker.template.Configuration);
    descriptor: (Ljava/lang/Object;Lfreemarker/template/Configuration;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // java.lang.Object value
        start local 2 // freemarker.template.Configuration cfg
         0: .line 238
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            iconst_2
            if_icmpeq 2
         1: .line 239
            new java.lang.UnsupportedOperationException
            dup
            ldc "This is not a configuration-scope attribute"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 241
      StackMap locals:
      StackMap stack:
            aload 2 /* cfg */
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.key:Ljava/lang/Object;
            aload 1 /* value */
            invokevirtual freemarker.core.Configurable.setCustomAttribute:(Ljava/lang/Object;Ljava/lang/Object;)V
         3: .line 242
            return
        end local 2 // freemarker.template.Configuration cfg
        end local 1 // java.lang.Object value
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lfreemarker/core/CustomAttribute;
            0    4     1  value  Ljava/lang/Object;
            0    4     2    cfg  Lfreemarker/template/Configuration;
    MethodParameters:
       Name  Flags
      value  
      cfg    

  private freemarker.core.Environment getRequiredCurrentEnvironment();
    descriptor: ()Lfreemarker/core/Environment;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // freemarker.core.CustomAttribute this
         0: .line 245
            invokestatic freemarker.core.Environment.getCurrentEnvironment:()Lfreemarker/core/Environment;
            astore 1 /* c */
        start local 1 // freemarker.core.Environment c
         1: .line 246
            aload 1 /* c */
            ifnonnull 3
         2: .line 247
            new java.lang.IllegalStateException
            dup
            ldc "No current environment"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 249
      StackMap locals: freemarker.core.Environment
      StackMap stack:
            aload 1 /* c */
            areturn
        end local 1 // freemarker.core.Environment c
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/core/CustomAttribute;
            1    4     1     c  Lfreemarker/core/Environment;

  private freemarker.core.Configurable getScopeConfigurable(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Lfreemarker/core/Configurable;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.core.CustomAttribute this
        start local 1 // freemarker.core.Environment env
         0: .line 253
            aload 0 /* this */
            getfield freemarker.core.CustomAttribute.scope:I
            tableswitch { // 0 - 2
                    0: 1
                    1: 2
                    2: 3
              default: 4
          }
         1: .line 255
      StackMap locals:
      StackMap stack:
            aload 1 /* env */
            areturn
         2: .line 257
      StackMap locals:
      StackMap stack:
            aload 1 /* env */
            invokevirtual freemarker.core.Environment.getParent:()Lfreemarker/core/Configurable;
            areturn
         3: .line 259
      StackMap locals:
      StackMap stack:
            aload 1 /* env */
            invokevirtual freemarker.core.Environment.getParent:()Lfreemarker/core/Configurable;
            invokevirtual freemarker.core.Configurable.getParent:()Lfreemarker/core/Configurable;
            areturn
         4: .line 261
      StackMap locals:
      StackMap stack:
            new freemarker.core.BugException
            dup
            invokespecial freemarker.core.BugException.<init>:()V
            athrow
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.CustomAttribute this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lfreemarker/core/CustomAttribute;
            0    5     1   env  Lfreemarker/core/Environment;
    Exceptions:
      throws java.lang.Error
    MethodParameters:
      Name  Flags
      env   
}
SourceFile: "CustomAttribute.java"