/**
 * Represents an aggregate calculation on a collection of data.
 */
export interface IZAggregate<T = any> {
    /**
     * The id of the aggregate.
     */
    id: string;
    /**
     * The resulting value of the aggregate.
     */
    value: T;
}
/**
 * A builder for the aggregate model.
 */
export declare class ZAggregateBuilder<T = any> {
    private _aggregate;
    /**
     * Sets the id of the aggregate.
     *
     * @param value -
     *        The id to set.
     *
     * @returns
     *        This object.
     */
    id(value: string): this;
    /**
     * Sets the value of the aggregate.
     *
     * @param value -
     *        The value to set.
     *
     * @returns
     *        A new aggregate builder that is of type V.
     */
    value<V>(value: V): ZAggregateBuilder<V>;
    /**
     * Creates a count aggregate.
     *
     * The id of the aggregate will be 'count'
     *
     * @param value -
     *        The count value.
     *
     * @returns
     *        A new aggregate builder that is of type number.
     */
    count(value: number): ZAggregateBuilder<number>;
    /**
     * Builds the aggregate.
     *
     * @returns
     *        The constructed aggregate value.
     */
    build(): IZAggregate<T>;
}