BUG-6522: share instances of Config(Effective)Statement

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / EmptyMandatoryStatement.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/EmptyMandatoryStatement.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/EmptyMandatoryStatement.java
index b83dbd8a286761c63fd7d89df3b97cb41217b621..ff2621c2bf20ca2655cc1ae1fbcee89b37099b23 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/EmptyMandatoryStatement.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/EmptyMandatoryStatement.java
@@ -7,8 +7,8 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
+import com.google.common.collect.ImmutableList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.Objects;
 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
@@ -50,7 +50,7 @@ abstract class EmptyMandatoryStatement implements MandatoryStatement {
 
     @Override
     public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
-        return Collections.emptyList();
+        return ImmutableList.of();
     }
 
     @Override