import { GlossaristModel } from './base.js';
export type GrammarGender = 'm' | 'f' | 'n' | 'c' | string;
export type GrammarNumber = 'singular' | 'dual' | 'plural' | string;
export type GrammarPartOfSpeech = 'noun' | 'verb' | 'adj' | 'adverb' | 'preposition' | 'participle' | string;
export declare const GRAMMAR_GENDERS: ReadonlyArray<string>;
export declare const GRAMMAR_NUMBERS: ReadonlyArray<string>;
export declare const GRAMMAR_PARTS_OF_SPEECH: ReadonlyArray<string>;
export interface GrammarInfoJson {
    gender?: GrammarGender | null;
    number?: GrammarNumber | null;
    part_of_speech?: GrammarPartOfSpeech | null;
    partOfSpeech?: GrammarPartOfSpeech | null;
    noun?: boolean;
    verb?: boolean;
    adj?: boolean;
    adverb?: boolean;
    preposition?: boolean;
    participle?: boolean;
}
export declare class GrammarInfo extends GlossaristModel {
    readonly gender: GrammarGender | null;
    readonly number: GrammarNumber | null;
    readonly partOfSpeech: GrammarPartOfSpeech | null;
    readonly noun: boolean;
    readonly verb: boolean;
    readonly adj: boolean;
    readonly adverb: boolean;
    readonly preposition: boolean;
    readonly participle: boolean;
    constructor(data?: GrammarInfoJson);
    toJSON(): GrammarInfoJson;
    static fromJSON(data: GrammarInfoJson): GrammarInfo;
}
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