import type { LocationInformation, NGNode, RawNGSpan } from './types.js';
export declare class Source {
    text: string;
    constructor(text: string);
    getCharacterIndex(pattern: RegExp | string, index: number): number;
    getCharacterLastIndex(pattern: RegExp | string, index: number): number;
    transformSpan(span: RawNGSpan, { stripSpaces, hasParentParens }?: {
        stripSpaces?: boolean | undefined;
        hasParentParens?: boolean | undefined;
    }): LocationInformation;
    createNode<T extends NGNode>(properties: Partial<T> & {
        type: T['type'];
    } & RawNGSpan, { stripSpaces, hasParentParens }?: {
        stripSpaces?: boolean | undefined;
        hasParentParens?: boolean | undefined;
    }): T & LocationInformation;
}
export default Source;