function getListingRemainingForRange getListingRemainingForRange(listings: ListingCapacityRow[],date: string | null,durationDays?: number,): Promise<Map<number, number>> Remaining bookable units for each listing over a date range. Parameters listings: ListingCapacityRow[] date: string | null optional durationDays: number Return Type Promise<Map<number, number>> getListingRemainingForRange(listingId: number,date: string | null,durationDays?: number,): Promise<number | undefined> Parameters listingId: number date: string | null optional durationDays: number Return Type Promise<number | undefined>