Type Alias CONVERT<I, O, D>

CONVERT: I extends string
    ? O extends string
        ? {
            [i in I as `${i}2${O}`]?: (
                math: string,
                options?: CONVERT_OPTIONS,
            ) => N<D>
        } & {
            [i in I as `${i}2${O}Promise`]?: (
                math: string,
                options?: CONVERT_OPTIONS,
            ) => Promise<N<D>>
        }
        : EMPTY
    : EMPTY