import { ComparerFunction } from "../../collections/comparison";
import { PipeBody } from "../../pipables";
import { LinqWrapper } from "../linqWrapper";
import { SequenceElementSelector } from "./typing";
export interface OrderedLinqWrapperBase<T> {
    thenBy<TKey>(keySelector: SequenceElementSelector<T, TKey>, comparer?: ComparerFunction<TKey>): LinqWrapper<T>;
    thenByDescending<TKey>(keySelector: SequenceElementSelector<T, TKey>, comparer?: ComparerFunction<TKey>): LinqWrapper<T>;
}
export interface OrderedLinqWrapper<T> extends LinqWrapper<T>, OrderedLinqWrapperBase<T> {
}
export declare function orderBy<T, TKey>(keySelector: SequenceElementSelector<T, TKey>, comparer?: ComparerFunction<TKey>): PipeBody<LinqWrapper<T>, OrderedLinqWrapper<T>>;
export declare function orderByDescending<T, TKey>(keySelector: SequenceElementSelector<T, TKey>, comparer?: ComparerFunction<TKey>): PipeBody<LinqWrapper<T>, OrderedLinqWrapper<T>>;
export declare function order<T, TKey>(comparer?: ComparerFunction<TKey>): PipeBody<LinqWrapper<T>, OrderedLinqWrapper<T>>;
export declare function orderDescending<T, TKey>(comparer?: ComparerFunction<TKey>): PipeBody<LinqWrapper<T>, OrderedLinqWrapper<T>>;
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