type CandleInterval = "1m" | "3m" | "5m" | "15m" | "30m" | "1h" | "2h" | "4h" | "6h" | "8h"; Copy
type CandleInterval = "1m" | "3m" | "5m" | "15m" | "30m" | "1h" | "2h" | "4h" | "6h" | "8h";
Candle time interval for fetching historical data.