import { instanceToPlain as instanceToPlain$1, plainToInstance as plainToInstance$1, Type as Type$1, Transform as Transform$1, Exclude as Exclude$1 } from 'class-transformer'; declare const instanceToPlain: typeof instanceToPlain$1; declare const plainToInstance: typeof plainToInstance$1; declare const Type: typeof Type$1; declare const Transform: typeof Transform$1; declare const Expose: (name: string) => PropertyDecorator & ClassDecorator; declare const Exclude: typeof Exclude$1; declare const nullToUndefined: (value: unknown) => T | undefined; declare const emptyStringToUndefined: (value: string) => string | undefined; export { Exclude, Expose, Transform, Type, emptyStringToUndefined, instanceToPlain, nullToUndefined, plainToInstance };