docstr: Gets the metric group.
docstr_tok: ["Gets","the","metric","group","."]
code: def get_metrics_group(self) -> MetricGroup:
      """
      Gets the metric group.
      """
      return self._metric_group
  
imports: from typing import Dict
  from pyflink.datastream import RuntimeContext
  from pyflink.datastream.state import ValueStateDescriptor, ValueState, ListStateDescriptor, ListState, MapStateDescriptor, MapState, ReducingStateDescriptor, ReducingState, AggregatingStateDescriptor, AggregatingState
  from pyflink.fn_execution.coders import from_type_info, MapCoder, GenericArrayCoder
  from pyflink.metrics import MetricGroup
label_desc: Use image node_id 9 for calling the StreamingRuntimeContext obj's underlying member method code with example usage: obj.get_metrics_group() and returns: self