def _default_refresh_timer(self):
        return ComboRefreshTimer(self)

    #--------------------------------------------------------------------------
    # Initialization API
    #--------------------------------------------------------------------------
Preload cassandra cluster if necessary.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_object_combo.py/QtObjectCombo._default_refresh_timer--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/PerfKitBenchmarker/perfkitbenchmarker/linux_benchmarks/cassandra_stress_benchmark.py/PreloadCassandraServer