import { IAttributeMap } from './AttributeMap';
export interface IOp {
    insert?: string | object;
    delete?: number;
    retain?: number;
    attributes?: IAttributeMap;
}
export declare function iterator(ops: IOp[]): Iterator;
export declare function length(op: IOp): number;
declare class Iterator {
    ops: IOp[];
    index: number;
    offset: number;
    constructor(ops: IOp[]);
    hasNext(): boolean;
    next(len?: number): IOp;
    peek(): IOp;
    peekLength(): number;
    peekType(): string;
    rest(): IOp[];
}
export {};