class_docstr: Custom splitter. todo: write docstring.
  
  todo: describe your custom splitter here
  
  Parameters
  ----------
  parama : int
      descriptive explanation of parama
  paramb : string, optional (default='default')
      descriptive explanation of paramb
  paramc : boolean, optional (default= whether paramb is not the default)
      descriptive explanation of paramc
  and so on
  est : sktime.estimator, BaseEstimator descendant
      descriptive explanation of est
  est2: another estimator
      descriptive explanation of est2
  and so on
docstr: Get iloc references to train/test splits of `y`.
  
  private _split containing the core logic, called from split
  
  Parameters
  ----------
  y : pd.Index
      Index of time series to split
  
  Yields
  ------
  train : 1D np.ndarray of dtype int
      Training window indices, iloc references to training indices in y
  test : 1D np.ndarray of dtype int
      Test window indices, iloc references to test indices in y
docstr_tok: ["Get","iloc","references","to","train\/test","splits","of","`","y","`",".","private","_split","containing","the","core","logic",",","called","from","split","Parameters","--","--","--","--","--","y",":","pd.Index","Index","of","time","series","to","split","Yields","--","--","--","train",":","1D","np.ndarray","of","dtype","int","Training","window","indices",",","iloc","references","to","training","indices","in","y","test",":","1D","np.ndarray","of","dtype","int","Test","window","indices",",","iloc","references","to","test","indices","in","y"]
code: def _split(self, y):
      """Get iloc references to train/test splits of `y`.
  
      private _split containing the core logic, called from split
  
      Parameters
      ----------
      y : pd.Index
          Index of time series to split
  
      Yields
      ------
      train : 1D np.ndarray of dtype int
          Training window indices, iloc references to training indices in y
      test : 1D np.ndarray of dtype int
          Test window indices, iloc references to test indices in y
      """
  
file_path: sktime/extension_templates/split.py
imports: from sktime.split.base import BaseSplitter
label_desc: Use image node_id 2 for calling the MySplitter obj's underlying member method code with example usage: obj._split(y) without return types