import pkg from '@prisma/client';
export declare const prisma: pkg.PrismaClient<pkg.Prisma.PrismaClientOptions, never, pkg.Prisma.RejectOnNotFound | pkg.Prisma.RejectPerOperation | undefined>;
export declare function dbDateToday(): Promise<Date>;
export declare function dbDateFromString(s: string): Date;
export declare function firstDayOfMonth(d: Date): Date;
export declare function lastDayOfMonth(d: Date): Date;
export declare function monthsAgo(d: Date, n: number): Date;