import { ArgumentParserResult, Parser } from '../types/Parser';
import { ParsingContext } from '../types/ParsingContext';
import { StringReader } from '../utils/StringReader';
/**
 * Base class of argument parsers.
 */
export declare abstract class ArgumentParser<T> implements Parser<T> {
    static identity: string;
    /**
     * Human-readable identity of the parser. Will be shown in hints.
     */
    abstract readonly identity: string;
    /**
     * Parse.
     * @param reader Input reader.
     * @param ctx A ParsingContext.
     */
    abstract parse(reader: StringReader, ctx: ParsingContext): ArgumentParserResult<T>;
    /**
     * Default implements to return something like `<id: string>`
     */
    toHint(name: string, optional: boolean): string;
    /**
     * Get examples of this argument.
     *
     * @example
     * return ['true', 'false']
     */
    getExamples(): string[];
}