import { Range } from 'text-kit';
export interface LexerOptions {
    todos: string[];
    timezone: string;
    range?: Partial<Range>;
}
export interface ParserOptions {
    flat: boolean;
    range?: Partial<Range>;
}
export interface Options extends LexerOptions, ParserOptions {
}
export declare function withDefault(options: Partial<Options>): Options;