Interface SeaLine<S>

interface SeaLine<S extends boolean = true> {
    code: string;
    colour: Sourced<string, S> | null;
    company: Sourced<number, S>;
    i: number;
    mode: Sourced<SeaMode, S> | null;
    name: Sourced<string, S> | null;
    source: string[];
    stops: Sourced<number, S>[];
    type: string;
}