export declare type StartOrEnd = -1 | 1;
export declare type RowSequence = [number, number];
export declare type CacheBlock = [StartOrEnd, number, number];
export interface CacheAdapterOptions {
}
export interface PblNgridCacheAdapter<TOptions extends CacheAdapterOptions> {
    readonly maxSize: number;
    readonly size: number;
    readonly empty: boolean;
    readonly options: TOptions;
    setCacheSize(maxSize: number): RowSequence[];
    update(startRow: number, endRow: number, direction: StartOrEnd): RowSequence[];
    remove(startRow: number, count: number): RowSequence[];
    clear(): RowSequence[];
    createBlock(start: number, end: number, totalLength?: number): CacheBlock | undefined;
}