@Override
  public <R, C> R accept(final StatementVisitor<R, C> visitor, C context) {
    return visitor.visitShowStorageGroup(this, context);
  }
SHOW DATABASES statement

<p>Here is the syntax definition:

<p>SHOW DATABASES prefixPath?
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/statement/metadata/ShowDatabaseStatement.java