import { type NabiDoc } from '../schema/index.js';
import { type EditEnv, type Position } from '../doc/index.js';
export declare function stepForward(doc: NabiDoc, pos: Position, env: EditEnv): Position;
export declare function stepBackward(doc: NabiDoc, pos: Position, env: EditEnv): Position;
export declare function docStart(doc: NabiDoc, env: EditEnv): Position | null;
export declare function docEnd(doc: NabiDoc, env: EditEnv): Position | null;
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