code: def _get_param_names(cls):
          
  
          # fetch the constructor or the original constructor before
          # deprecation wrapping if any
          init = getattr(cls.__init__, 'deprecated_original', cls.__init__)
          if init is object.__init__:
              # No explicit constructor to introspect
              return []
  
          # introspect the constructor arguments to find the model parameters
          # to represent
          init_signature = signature(init)
          # Consider the constructor parameters excluding 'self'
          parameters = [p for p in init_signature.parameters.values()
                        if p.name != 'self' and p.kind != p.VAR_KEYWORD]
          for p in parameters:
              if p.kind == p.VAR_POSITIONAL:
                  raise RuntimeError("POT estimators should always "
                                     "specify their parameters in the signature"
                                     " of their __init__ (no varargs)."
                                     " %s with constructor %s doesn't "
                                     " follow this convention."
                                     % (cls, init_signature))
          # Extract and sort argument names excluding 'self'
          return sorted([p.name for p in parameters])
docs: Get parameter names for the estimator