Variable AggregateMethodSchemaConst

AggregateMethodSchema: TUnion<
    [
        TLiteral<"average">,
        TLiteral<"min">,
        TLiteral<"max">,
        TLiteral<"first">,
        TLiteral<"last">,
        TLiteral<"mid">,
        TLiteral<"middle_index">,
        TLiteral<"sma">,
        TLiteral<"ema">,
    ],
> = ...