generated interfaces doesn't need to be public.

README.md

@@ -5,7 +5,7 @@ StepBuilder Generator
 plugin that adds a 'Step Builder' action to the Generate menu (Alt+Insert)
 which generates a Builder class which follows the Step Builder pattern. You can
 read about the Step Builder pattern and why it might be a little more effective than
-the usual Builder pattern [here](http://www.jayway.com/2012/02/07/builder-pattern-with-a-twist/).
+the usual Builder pattern [here](http://devliving.online/stepbuilder-builder-that-guides-you-through-the-steps/).
 
 ![screenshot](screenshot_1.png)
 

resources/META-INF/plugin.xml

@@ -1,7 +1,7 @@
 <idea-plugin version="2">
   <id>online.devliving.stepbuilder.generator</id>
   <name>StepBuilder Generator</name>
-  <version>1.0</version>
+  <version>1.0.1</version>
   <vendor email="[email protected]" url="http://www.devliving.online">Mehedi Hasan Khan</vendor>
 
   <description><![CDATA[
@@ -127,6 +127,11 @@
       <td> 1.0.0</td>
       <td>First release</td>
       </tr>
+
+      <tr>
+      <td> 1.0.1</td>
+      <td>Generated interfaces aren't public</td>
+      </tr>
       </table>
     ]]>
   </change-notes>

src/online/devliving/stepbuilder/generator/StepBuilderGenerator.java

@@ -213,7 +213,12 @@ public void run() {
     }
 
     private PsiClass createBuildStepInterface(){
-        return psiElementFactory.createInterface(INTERFACE_NAME_PREFIX + BUILD_STEP_INTERFACE_NAME);
+        PsiClass buildStep =  psiElementFactory.createInterface(INTERFACE_NAME_PREFIX + BUILD_STEP_INTERFACE_NAME);
+        if(buildStep.getModifierList() != null){
+            buildStep.getModifierList().setModifierProperty(PsiModifier.PUBLIC, false);
+        }
+
+        return buildStep;
     }
 
     /**
@@ -229,6 +234,9 @@ private PsiClass generateMandatoryInterface(PsiFieldMember forMember, PsiType re
                 BUILDER_SETTER_ALTERNATIVE_PARAMETER_NAME:BUILDER_SETTER_DEFAULT_PARAMETER_NAME;
 
         PsiClass mInterface = psiElementFactory.createInterface(INTERFACE_NAME_PREFIX + capitalizedFieldName);
+        if(mInterface.getModifierList() != null){
+            mInterface.getModifierList().setModifierProperty(PsiModifier.PUBLIC, false);
+        }
 
         PsiMethod fieldMethod = psiElementFactory.createMethodFromText(String.format("%s %s(%s %s);", returnType.getPresentableText(),
                 methodName, forMember.getElement().getType().getPresentableText(), paramName), mInterface);