TD_HOLT_WINTERS_FORECASTER ( SERIES_SPEC , FUNC_PARAMS ( FORECAST_PERIODS ( integer ) [ , ALPHA ( float ) ] [ , BETA ( float ) ] [ , GAMMA ( float ) ] [ , SEASONAL_PERIODS ( integer ) ] [ , INIT ( LEVEL_0 ( float ) , TREND_0 ( float ) , SEASON_0 ( float-value-list ) ) ] , MODEL ( {ADDITIVE | MULTIPLICATIVE } ) [ , FIT_PERCENTAGE ( integer ) ] [ , PREDICTION_INTERVALS( { NONE | 80 | 95 | BOTH } ) ] [ , FIT_METRICS ( { 1 | 0 } ) ] [ , SELECTION_METRICS ( { 1 | 0 } ) ] [ , RESIDUALS ( { 1 | 0 } ) ] ) [, OUTPUT_FMT (INDEX_STYLE ({ NUMERICAL_SEQUENCE | FLOW_THROUGH })) ] [,