+/*
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.parser.spi.meta;
+
+import com.google.common.annotations.Beta;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
+
+/**
+ * An additional trait for {@link StatementSupport}, allowing a parent statement to override the support for a child
+ * statement.
+ */
+@Beta
+public interface OverrideChildStatementSupport {
+ /**
+ * Returns unknown statement form of a regular YANG statement supplied as a parameter to the method.
+ *
+ * @param childDef statement definition of a regular YANG statement
+ * @return Optional of unknown statement form of a regular YANG statement, or {@code null} if it should not be
+ * overridden.
+ */
+ @Nullable StatementSupport<?, ?, ?> statementDefinitionOverrideOf(@NonNull StatementDefinition childDef);
+}