/**
 * Domain Primitive is an object that contains only a single value
 */
export type Primitives = string | number | boolean;
export interface DomainPrimitive<T extends Primitives | Date> {
    value: T;
}
type ValueObjectProps<T> = T extends Primitives | Date ? DomainPrimitive<T> : T;
export declare abstract class ValueObject<T> {
    protected readonly props: ValueObjectProps<T>;
    constructor(props: ValueObjectProps<T>);
    protected abstract validate(props: ValueObjectProps<T>): void;
    static isValueObject(obj: unknown): obj is ValueObject<unknown>;
    /**
     *  Check if two Value Objects are equal. Checks structural equality.
     * @param vo ValueObject
     */
    equals(vo?: ValueObject<T>): boolean;
    /**
     * Unpack a value object to get its raw properties
     */
    unpack(): T;
    private checkIfEmpty;
    private isDomainPrimitive;
}
export {};
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