import { ILokiComparer } from "./comparators";
export declare type RangedValueOperator = "$gt" | "$gte" | "$lt" | "$lte" | "$eq" | "$neq" | "$between";
export interface IRangedIndexRequest<T> {
    op: RangedValueOperator;
    val: T;
    high?: T;
}
/** Defines interface which all loki ranged indexes need to implement */
export interface IRangedIndex<T> {
    insert(id: number, val: T): void;
    update(id: number, val: T): void;
    remove(id: number): void;
    restore(tree: any): void;
    backup(): IRangedIndex<T>;
    rangeRequest(range?: IRangedIndexRequest<T>): number[];
    validateIndex(): boolean;
}
/** Hash Interface for global ranged index factory map*/
export interface IRangedIndexFactoryMap {
    [name: string]: (name: string, comparator: ILokiComparer<any>) => IRangedIndex<any>;
}
/** Map/Register of named factory functions returning IRangedIndex instances */
export declare let RangedIndexFactoryMap: IRangedIndexFactoryMap;