OHLCHelper.generate_empty_candle

You're seeing just the function generate_empty_candle, go back to OHLCHelper module for more information.
Link to this function

generate_empty_candle(timeframe \\ nil)

Specs

generate_empty_candle(OHLC.timeframe() | nil) :: OHLC.candle()

Generates and returns empty candle.

If provided with timeframe stime and etime will be generated based on current time.