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.Dot extends freemarker.core.Expression
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: freemarker.core.Dot
  super_class: freemarker.core.Expression
{
  private final freemarker.core.Expression target;
    descriptor: Lfreemarker/core/Expression;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  void <init>(freemarker.core.Expression, java.lang.String);
    descriptor: (Lfreemarker/core/Expression;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // freemarker.core.Dot this
        start local 1 // freemarker.core.Expression target
        start local 2 // java.lang.String key
         0: .line 34
            aload 0 /* this */
            invokespecial freemarker.core.Expression.<init>:()V
         1: .line 35
            aload 0 /* this */
            aload 1 /* target */
            putfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
         2: .line 36
            aload 0 /* this */
            aload 2 /* key */
            putfield freemarker.core.Dot.key:Ljava/lang/String;
         3: .line 37
            return
        end local 2 // java.lang.String key
        end local 1 // freemarker.core.Expression target
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lfreemarker/core/Dot;
            0    4     1  target  Lfreemarker/core/Expression;
            0    4     2     key  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      target  
      key     

  freemarker.template.TemplateModel _eval(freemarker.core.Environment);
    descriptor: (Lfreemarker/core/Environment;)Lfreemarker/template/TemplateModel;
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // freemarker.core.Dot this
        start local 1 // freemarker.core.Environment env
         0: .line 41
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            aload 1 /* env */
            invokevirtual freemarker.core.Expression.eval:(Lfreemarker/core/Environment;)Lfreemarker/template/TemplateModel;
            astore 2 /* leftModel */
        start local 2 // freemarker.template.TemplateModel leftModel
         1: .line 42
            aload 2 /* leftModel */
            instanceof freemarker.template.TemplateHashModel
            ifeq 3
         2: .line 43
            aload 2 /* leftModel */
            checkcast freemarker.template.TemplateHashModel
            aload 0 /* this */
            getfield freemarker.core.Dot.key:Ljava/lang/String;
            invokeinterface freemarker.template.TemplateHashModel.get:(Ljava/lang/String;)Lfreemarker/template/TemplateModel;
            areturn
         3: .line 45
      StackMap locals: freemarker.template.TemplateModel
      StackMap stack:
            aload 2 /* leftModel */
            ifnonnull 5
            aload 1 /* env */
            invokevirtual freemarker.core.Environment.isClassicCompatible:()Z
            ifeq 5
         4: .line 46
            aconst_null
            areturn
         5: .line 48
      StackMap locals:
      StackMap stack:
            new freemarker.core.NonHashException
            dup
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            aload 2 /* leftModel */
            aload 1 /* env */
            invokespecial freemarker.core.NonHashException.<init>:(Lfreemarker/core/Expression;Lfreemarker/template/TemplateModel;Lfreemarker/core/Environment;)V
            athrow
        end local 2 // freemarker.template.TemplateModel leftModel
        end local 1 // freemarker.core.Environment env
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lfreemarker/core/Dot;
            0    6     1        env  Lfreemarker/core/Environment;
            1    6     2  leftModel  Lfreemarker/template/TemplateModel;
    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=1, args_size=1
        start local 0 // freemarker.core.Dot this
         0: .line 53
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield freemarker.core.Dot.target: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.Dot.getNodeTypeSymbol:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield freemarker.core.Dot.key:Ljava/lang/String;
            invokestatic freemarker.core._CoreStringUtils.toFTLIdentifierReferenceAfterDot:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;

  java.lang.String getNodeTypeSymbol();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Dot this
         0: .line 58
            ldc "."
            areturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;

  boolean isLiteral();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Dot this
         0: .line 63
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            invokevirtual freemarker.core.Expression.isLiteral:()Z
            ireturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;

  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=6, locals=4, args_size=4
        start local 0 // freemarker.core.Dot this
        start local 1 // java.lang.String replacedIdentifier
        start local 2 // freemarker.core.Expression replacement
        start local 3 // freemarker.core.Expression$ReplacemenetState replacementState
         0: .line 69
            new freemarker.core.Dot
            dup
         1: .line 70
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            aload 1 /* replacedIdentifier */
            aload 2 /* replacement */
            aload 3 /* replacementState */
            invokevirtual freemarker.core.Expression.deepCloneWithIdentifierReplaced:(Ljava/lang/String;Lfreemarker/core/Expression;Lfreemarker/core/Expression$ReplacemenetState;)Lfreemarker/core/Expression;
         2: .line 71
            aload 0 /* this */
            getfield freemarker.core.Dot.key:Ljava/lang/String;
         3: .line 69
            invokespecial freemarker.core.Dot.<init>:(Lfreemarker/core/Expression;Ljava/lang/String;)V
            areturn
        end local 3 // freemarker.core.Expression$ReplacemenetState replacementState
        end local 2 // freemarker.core.Expression replacement
        end local 1 // java.lang.String replacedIdentifier
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    4     0                this  Lfreemarker/core/Dot;
            0    4     1  replacedIdentifier  Ljava/lang/String;
            0    4     2         replacement  Lfreemarker/core/Expression;
            0    4     3    replacementState  Lfreemarker/core/Expression$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.Dot this
         0: .line 76
            iconst_2
            ireturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;

  java.lang.Object getParameterValue(int);
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // freemarker.core.Dot this
        start local 1 // int idx
         0: .line 81
            iload 1 /* idx */
            ifne 1
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield freemarker.core.Dot.key:Ljava/lang/String;
      StackMap locals:
      StackMap stack: java.lang.Object
         2: areturn
        end local 1 // int idx
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/core/Dot;
            0    3     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.Dot this
        start local 1 // int idx
         0: .line 86
            iload 1 /* idx */
            invokestatic freemarker.core.ParameterRole.forBinaryOperatorOperand:(I)Lfreemarker/core/ParameterRole;
            areturn
        end local 1 // int idx
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;
            0    1     1   idx  I
    MethodParameters:
      Name  Flags
      idx   

  java.lang.String getRHO();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Dot this
         0: .line 90
            aload 0 /* this */
            getfield freemarker.core.Dot.key:Ljava/lang/String;
            areturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/Dot;

  boolean onlyHasIdentifiers();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.Dot this
         0: .line 94
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            instanceof freemarker.core.Identifier
            ifne 2
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            instanceof freemarker.core.Dot
            ifeq 1
            aload 0 /* this */
            getfield freemarker.core.Dot.target:Lfreemarker/core/Expression;
            checkcast freemarker.core.Dot
            invokevirtual freemarker.core.Dot.onlyHasIdentifiers:()Z
            ifne 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         2: iconst_1
            ireturn
        end local 0 // freemarker.core.Dot this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lfreemarker/core/Dot;
}
SourceFile: "Dot.java"
InnerClasses:
  ReplacemenetState = freemarker.core.Expression$ReplacemenetState of freemarker.core.Expression