code: @Override
      public TypeSpec buildDeleteWhereForClusteringColumn(EntityMetaSignature signature,
                                                          List<FieldSignatureInfo> clusteringCols,
                                                          List<ClassSignatureInfo> classesSignature,
                                                          ClassSignatureInfo lastSignature) {
  
  
          final ClassSignatureInfo classSignature = classesSignature.get(0);
          final ClassSignatureInfo nextSignature = classesSignature.get(1);
          final FieldSignatureInfo clusteringColumnInfo = clusteringCols.get(0);
  
          final String rootClassName = signature.deleteClassName();
          TypeName relationClassTypeName = ClassName.get(DSL_PACKAGE, rootClassName
                  + "." + classSignature.className
                  + "." + DSL_RELATION);
  
          final TypeSpec.Builder whereClassBuilder = TypeSpec.classBuilder(classSignature.className)
                  .superclass(classSignature.superType)
                  .addModifiers(Modifier.PUBLIC, Modifier.FINAL)
                  .addMethod(buildWhereConstructorWithOptions(DELETE_DOT_WHERE))
  
                  .addMethod(buildGetThis(classSignature.returnClassType))
                  .addMethod(buildGetMetaInternal(signature.entityRawClass))
                  .addMethod(buildGetEntityClass(signature))
                  .addMethod(buildGetRte())
                  .addMethod(buildGetOptions())
                  .addMethod(buildGetBoundValuesInternal())
                  .addMethod(buildGetEncodedBoundValuesInternal());
  
          final TypeSpec.Builder relationClassBuilder = TypeSpec.classBuilder(DSL_RELATION)
                  .addModifiers(Modifier.PUBLIC, Modifier.FINAL)
                  .addMethod(buildColumnRelation(EQ, nextSignature.returnClassType, clusteringColumnInfo, ReturnType.NEW));
  
          augmentClusteringColRelationClassForWhereClause(relationClassBuilder, clusteringColumnInfo, nextSignature, lastSignature);
  
          whereClassBuilder
                  .addMethod(buildRelationMethod(clusteringColumnInfo.fieldName, relationClassTypeName))
                  .addType(relationClassBuilder.build());
  
          augmentWhereClass(whereClassBuilder, signature, clusteringCols, classesSignature, lastSignature);
  
          return whereClassBuilder.build();
      }
docs: Generate extra method to extends the AbstractDeleteEnd class
  @param signature
  @param clusteringCols
  @param classesSignature
  @param lastSignature
  @return