import { IndexerEventRecord } from './types';
export declare function eventKey(event: IndexerEventRecord): string;
export declare function isProcessableEvent(event: IndexerEventRecord): boolean;
export declare function sortEventsByPosition(events: IndexerEventRecord[]): IndexerEventRecord[];
export interface RestCursorResult {
    done: boolean;
    cursor: number;
    blockExceedsPage: boolean;
}
export declare function nextRestCursor(events: IndexerEventRecord[], currentCursor: number, pageLimit: number): RestCursorResult;