class_docstr: Lightweight configuration object which stores key/value pairs.
class_docstr_tok: ["Lightweight","configuration","object","which","stores","key\/value","pairs","."]
docstr: Returns the keys of all key/value pairs stored inside this configuration object.
  
  :return: The keys of all key/value pairs stored inside this configuration object.
docstr_tok: ["Returns","the","keys","of","all","key\/value","pairs","stored","inside","this","configuration","object",".",":","return",":","The","keys","of","all","key\/value","pairs","stored","inside","this","configuration","object","."]
code: def key_set(self) -> Set[str]:
      """
      Returns the keys of all key/value pairs stored inside this configuration object.
  
      :return: The keys of all key/value pairs stored inside this configuration object.
      """
      return set(self._j_configuration.keySet())
  
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 12 for calling the Configuration obj's underlying member method code with example usage: obj.key_set() and returns: set