export declare class SinhalaExtension {
    static fromEnglishToSinhala(sEnglish: string, englishToSinhalaMap?: Record<string, string> | null): string;
    static fromEnglishToSinglish(sEnglish: string, englishToSinhalaMap?: Record<string, string> | null): string;
    static fromSinglishToSinhala(sSinglish: string): string;
    static fromSinhalaToSinglish(sSinhala: string): string;
}