[FLINK-34657] add lineage provider API (apache#24619)

flink-streaming-java/src/main/java/org/apache/flink/streaming/api/lineage/LineageVertexProvider.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package org.apache.flink.streaming.api.lineage;
+
+import org.apache.flink.annotation.PublicEvolving;
+
+/**
+ * Create lineage vertex for source and sink in DataStream. If the source and sink connectors in
+ * datastream job implement this interface, flink will get lineage vertex and create all-to-all
+ * lineages between sources and sinks by default.
+ */
+@PublicEvolving
+public interface LineageVertexProvider {
+    LineageVertex getLineageVertex();
+}