fix according to PR

Author: ron-gal

google-cloud-bigtable/clirr-ignored-differences.xml

@@ -308,4 +308,10 @@
         <className>com/google/cloud/bigtable/data/v2/models/Heartbeat</className>
         <method>*getEstimatedLowWatermarkTime()</method>
     </difference>
+    <difference>
+        <!-- TargetId is an InternalApi-->
+        <differenceType>7012</differenceType>
+        <className>com/google/cloud/bigtable/data/v2/models/TargetId</className>
+        <method>*scopedForMaterializedView()</method>
+    </difference>
 </differences>

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/internal/NameUtil.java

@@ -109,35 +109,7 @@ public static String extractMaterializedViewIdFromMaterializedViewName(
   /** A helper to convert fully qualified tableName andauthorizedViewName to a {@link TargetId} */
   public static TargetId extractTargetId(
       @Nonnull String tableName, @Nonnull String authorizedViewName) {
-    if (tableName.isEmpty() && authorizedViewName.isEmpty()) {
-      throw new IllegalArgumentException(
-          "Either table name, authorized view name or materialized view name must be specified. Table name: "
-              + tableName
-              + ", authorized view name: "
-              + authorizedViewName);
-    }
-    int names = 0;
-    if (!tableName.isEmpty()) {
-      ++names;
-    }
-    if (!authorizedViewName.isEmpty()) {
-      ++names;
-    }
-    if (names > 1) {
-      throw new IllegalArgumentException(
-          "Only one of table name and authorized view name can be specified at the same time. Table name: "
-              + tableName
-              + ", authorized view name: "
-              + authorizedViewName);
-    }
-
-    if (!tableName.isEmpty()) {
-      String tableId = extractTableIdFromTableName(tableName);
-      return TableId.of(tableId);
-    }
-    String tableId = extractTableIdFromAuthorizedViewName(authorizedViewName);
-    String authorizedViewId = extractAuthorizedViewIdFromAuthorizedViewName(authorizedViewName);
-    return AuthorizedViewId.of(tableId, authorizedViewId);
+    return extractTargetId(tableName, authorizedViewName, "");
   }
 
   /**