in src/main/java/org/apache/commons/dbutils/AsyncQueryRunner.java [181:187]
public UpdateCallableStatement(final Connection conn, final boolean closeConn, final PreparedStatement ps, final String sql, final Object... params) {
this.sql = sql;
this.params = params;
this.conn = conn;
this.closeConn = closeConn;
this.ps = ps;
}