docstr: Gets the global job parameter value associated with the given key as a string.
docstr_tok: ["Gets","the","global","job","parameter","value","associated","with","the","given","key","as","a","string","."]
code: def get_job_parameter(self, key: str, default_value: str):
      """
      Gets the global job parameter value associated with the given key as a string.
      """
      return (
          self._job_parameters[key]
          if key in self._job_parameters
          else default_value
      )
  
imports: from pyflink.datastream import RuntimeContext
  from pyflink.datastream.state import AggregatingStateDescriptor, AggregatingState, ReducingStateDescriptor, ReducingState, MapStateDescriptor, MapState, ListStateDescriptor, ListState, ValueStateDescriptor, ValueState
  from pyflink.fn_execution.embedded.state_impl import KeyedStateBackend
  from pyflink.fn_execution.metrics.embedded.metric_impl import MetricGroupImpl
  from pyflink.metrics import MetricGroup
label_desc: Use image node_id 8 for calling the StreamingRuntimeContext obj's underlying member method code with example usage: obj.get_job_parameter(key, default_value) and returns: unknown