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 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 8 for calling the StreamingRuntimeContext obj's underlying member method code with example usage: obj.get_job_parameter(key, default_value) and returns: unknown