import type { InputStream, Stack } from '@lezer/lr';
/**
 * Tokenizer for strings.
 * As opposed to other tokenizers, the string tokenizer is called by the text tokenizer and
 * may either
 * - accept one of the following tokens:
 *    - String
 *    - IncompleteString
 *    - FreeText
 * or
 * - hand back over to the text tokenizer in an indeterminate state.
 * @internal
 */
export declare function tokenizeString(inputStream: InputStream, stack: Stack, lastTokenizationEndIndexCache: WeakMap<Stack, number>, startOffset?: number): {
    token?: 'string' | 'indeterminate' | 'json';
    offset: number;
};