export interface HasExactlyFunction {
    /**
     * Checks if the number of elements of the iterable is equal to the threshold using a projection. This is a partial resolving operation, will cause a partial or - if needed - a full loop through the elements of the iterable.
     * @param threshold The validation threshold
     * @returns True if the number of elements of the iterable is equal to threshold and false if its not;
     */
    (expectedNumber: number): boolean;
}
export interface AsyncHasExactlyFunction {
    /**
     * Checks if the number of elements of the iterable is equal to the threshold using a projection. This is a partial resolving operation, will cause a partial or - if needed - a full loop through the elements of the iterable.
     * @param threshold The validation threshold
     * @returns True if the number of elements of the iterable is equal to threshold and false if its not;
     */
    (expectedNumber: number): Promise<boolean>;
}