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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session Session, tableHandle InsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.metadata.MetadataManager | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.accumulo.AccumuloMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, insertHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.hive.HiveMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, insertHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.spi.connector.ConnectorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.spi.connector.classloader.ClassLoaderSafeConnectorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, outputTableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.raptor.RaptorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.plugin.jdbc.JdbcMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.cassandra.CassandraMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.spi.connector.ConnectorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session Session, tableHandle InsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.metadata.Metadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, insertHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.accumulo.AccumuloMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session Session, tableHandle OutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.metadata.MetadataManager | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.mongodb.MongoMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.plugin.blackhole.BlackHoleMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, tableHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.plugin.jdbc.JdbcMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, insertHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.raptor.RaptorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session Session, tableHandle OutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.metadata.Metadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishInsert(session ConnectorSession, insertHandle ConnectorInsertTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.spi.connector.classloader.ClassLoaderSafeConnectorMetadata | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishTable(fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.operator.TableFinishOperator.TableFinisher | 
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                                Change Return Type	void to Optional<ConnectorOutputMetadata> in method public finishCreateTable(session ConnectorSession, tableHandle ConnectorOutputTableHandle, fragments Collection<Slice>) : Optional<ConnectorOutputMetadata> in class com.facebook.presto.hive.HiveMetadata | 
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