import { Operation, Range } from '..';
/**
 * `RangeRef` objects keep a specific range in a document synced over time as new
 * operations are applied to the editor. You can access their `current` property
 * at any time for the up-to-date range value.
 */
export interface RangeRef {
    current: Range | null;
    affinity: "forward" | "backward" | "outward" | "inward" | null;
    unref(): Range | null;
}
export interface RangeRefInterface {
    /**
     * Transform the range ref's current value by an operation.
     */
    transform: (ref: RangeRef, op: Operation) => void;
}
export declare const RangeRef: RangeRefInterface;