import { IEnumerable } from '../types';
import { EqualityComparer } from '../types';
/**
 * Performs a full outer join on two heterogeneous sequences.
 * Additional arguments specify key selection functions, result projection functions and a key comparer.
 * @typeparam TFirst The type of elements in the first sequence.
 * @typeparam TSecond The type of elements in the second sequence.
 * @typeparam TKey The type of the key returned by the key selector functions.
 * @typeparam TResult The type of the result elements.
 * @param first The first sequence of the join operation.
 * @param second The second sequence of the join operation.
 * @param firstKeySelector Function that projects the key given an element from first.
 * @param secondKeySelector Function that projects the key given an element from second.
 * @param firstSelector: Function that projects the result given just an element from first where there is no corresponding element in second.
 * @param secondSelector Function that projects the result given just an element from second where there is no corresponding element in first.
 * @param bothSelector Function that projects the result given an element from first and an element from second that match on a common key.
 * @param equalityComparer A function to compare keys.
 * @returns A sequence containing results projected from a right outer join of the two input sequences.
 */
export declare function fullJoinHeterogeneous<TFirst, TSecond, TKey, TResult>(first: Iterable<TFirst>, second: Iterable<TSecond>, firstKeySelector: (item: TFirst) => TKey, secondKeySelector: (item: TSecond) => TKey, firstSelector: (item: TFirst) => TResult, secondSelector: (item: TSecond) => TResult, bothSelector: (a: TFirst, b: TSecond) => TResult, equalityComparer?: EqualityComparer<TKey>): IEnumerable<TResult>;
/**
 * Performs a full outer join on two homogeneous sequences.
 * Additional arguments specify key selection functions and result projection functions.
 * @typeparam TFirst The type of elements in the first sequence.
 * @typeparam TKey The type of the key returned by the key selector functions.
 * @typeparam TResult The type of the result elements.
 * @param first The first sequence of the join operation.
 * @param second The second sequence of the join operation.
 * @param keySelector Function that projects the key given an element of one of the sequences to join.
 * @param firstSelector Function that projects the result given just an element from first where there is no corresponding element in second.
 * @param secondSelector Function that projects the result given just an element from second where there is no corresponding element in first.
 * @param bothSelector Function that projects the result given an element from first and an element from second that match on a common key.
 * @param equalityComparer A function to compare keys.
 * @returns A sequence containing results projected from a full outer join of the two input sequences.
 */
export declare function fullJoinHomogeneous<TFirst, TKey, TResult>(first: Iterable<TFirst>, second: Iterable<TFirst>, keySelector: (item: TFirst) => TKey, firstSelector: (item: TFirst) => TResult, secondSelector: (item: TFirst) => TResult, bothSelector: (a: TFirst, b: TFirst) => TResult, equalityComparer?: EqualityComparer<TKey>): IEnumerable<TResult>;
//# sourceMappingURL=fullJoin.d.ts.map