class_docstr: Lightweight configuration object which stores key/value pairs.
class_docstr_tok: ["Lightweight","configuration","object","which","stores","key\/value","pairs","."]
docstr: Returns the value associated with the given key as a string.
  
  :param key: The key pointing to the associated value.
  :param default_value: The default value which is returned in case there is no value
                        associated with the given key.
  :return: The (default) value associated with the given key.
docstr_tok: ["Returns","the","value","associated","with","the","given","key","as","a","string",".",":","param","key",":","The","key","pointing","to","the","associated","value",".",":","param","default_value",":","The","default","value","which","is","returned","in","case","there","is","no","value","associated","with","the","given","key",".",":","return",":","The","(","default",")","value","associated","with","the","given","key","."]
code: def get_string(self, key: str, default_value: str) -> str:
      """
      Returns the value associated with the given key as a string.
  
      :param key: The key pointing to the associated value.
      :param default_value: The default value which is returned in case there is no value
                            associated with the given key.
      :return: The (default) value associated with the given key.
      """
      return self._j_configuration.getString(key, default_value)
  
imports: from typing import Set, Dict
  from py4j.java_gateway import JavaObject
  from pyflink.java_gateway import get_gateway
  from pyflink.util.java_utils import add_jars_to_context_class_loader
label_desc: Use image node_id 2 for calling the Configuration obj's underlying member method code with example usage: obj.get_string(key, default_value) and returns: self