import Item from '../../../models/Item.js';
import Scope from '../../../models/Scope.js';
import type { Range } from './types.js';
import type { Context } from '../../../types/index.js';
export declare const isSimpleNonNegativeIndex: (listUnwrap: Item[]) => number | null;
export declare const processSimpleIndex: (range: Range, index: number, scope: Scope, update: (range: Range, list: Item[]) => void) => void;
export declare const processIndexWithHelper: (ctx: Context, range: Range, listUnwrap: Item[], arrayItems: Item[], update: (range: Range, list: Item[]) => void) => void;