disable open to public contributors for conceptual pages

docfx.json

@@ -3,17 +3,17 @@
     "content": [
       {
         "files": [
-		  "**/*.md",
+          "**/*.md",
           "**/*.yml"
         ],
         "src": "docs-ref-autogen",
         "dest": "api"
       },
-	  {
+      {
         "files": [
           "index.md"
         ],
-		"src": ".",
+        "src": ".",
         "dest": "api"
       },
       {
@@ -87,7 +87,10 @@
         "docs-ref-autogen/com.microsoft.appplicationinsights**.yml": "application-insights"
       },
       "langs": {
-        "docs-ref-autogen/**.yml":  ["java"]
+        "docs-ref-autogen/**.yml": ["java"]
+      },
+       "open_to_public_contributors": {
+        "docs-ref-conceptual/**.md": false
       }
     },
     "template": [
@@ -96,4 +99,4 @@
     "lruSize": 0,
     "dest": "azure/sdk/java"
   }
-}
+}