package liquibase.serializer;

 import liquibase.change.Change;

 import liquibase.change.ColumnConfig;

 import liquibase.changelog.ChangeSet;

 import liquibase.changelog.DatabaseChangeLog;

 import liquibase.sql.visitor.SqlVisitor;

 import java.io.OutputStream;

 import java.io.IOException;

 import java.util.List;

 public interface ChangeLogSerializer {

     String[] getValidFileExtensions();

     String serialize(DatabaseChangeLog databaseChangeLog);

     String serialize(ChangeSet changeSet);

     String serialize(Change change);

     String serialize(SqlVisitor visitor);

     String serialize(ColumnConfig columnConfig);

     void write(List<ChangeSet> changeSets, OutputStream out) throws IOException;

 }