code: def get_state(
      self, state_descriptor: ValueStateDescriptor
  ) -> ValueState:
      if self._keyed_state_backend:
          return self._keyed_state_backend.get_value_state(
              state_descriptor.name,
              from_type_info(state_descriptor.type_info),
              state_descriptor._ttl_config,
          )
      else:
          raise Exception(
              "This state is only accessible by functions executed on a KeyedStream."
          )
  
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 10 for calling the StreamingRuntimeContext obj's underlying member method code with example usage: obj.get_state(state_descriptor) and returns: self