export declare const NLTaggerOptions: {
    readonly NLTaggerOmitWords: 1;
    readonly NLTaggerOmitPunctuation: 2;
    readonly NLTaggerOmitWhitespace: 4;
    readonly NLTaggerOmitOther: 8;
    readonly NLTaggerJoinNames: 16;
    readonly NLTaggerJoinContractions: 32;
};
export type NLTaggerOptions = (number & {}) | typeof NLTaggerOptions[keyof typeof NLTaggerOptions];
