import { AsyncMapper, Mapper } from 'augmentative-iterable';
export interface ToSetFunction<T> {
    /**
     * Create a Set from the iterable. This is a resolving operation
     */
    (): Set<T>;
    /**
     * Create a Set from the iterable. This is a resolving operation
     * @param mapper: Maps the first iterated item to the Map value type
     */
    <V>(mapper: Mapper<T, V>): Set<V>;
    /**
     * Create a Set from the iterable. This is a resolving operation
     * @param mapper: The key of the item from where the value will be extracted
     */
    <K extends keyof T>(mapper: K): Set<T[K]>;
}
export interface AsyncToSetFunction<T> {
    /**
     * Create a Set from the iterable. This is a resolving operation
     */
    (): Promise<Set<T>>;
    /**
     * Create a Set from the iterable. This is a resolving operation
     * @param mapper: Maps the first iterated item to the Map value type
     */
    <V>(mapper: AsyncMapper<T, V>): Promise<Set<V>>;
    /**
     * Create a Set from the iterable. This is a resolving operation
     * @param mapper: The key of the item from where the value will be extracted
     */
    <K extends keyof T>(mapper: K): Promise<Set<T[K]>>;
}