import { type MorseCharacterSet } from "./characters.js";
export interface EncodeOptions {
    letterSeparator?: string;
    wordSeparator?: string;
    unknownFallback?: string;
}
export type Separator = string | RegExp | readonly string[];
export interface DecodeOptions {
    letterSeparator?: Separator;
    wordSeparator?: Separator;
    unknownFallback?: string;
}
export declare function characters(): MorseCharacterSet;
export declare function encode(text: string, options?: EncodeOptions): string;
export declare function decode(morse: string, options?: DecodeOptions): string;
export declare function isMorseCandidate(input: string): boolean;
export declare function textToMorseTokens(text: string, options?: EncodeOptions): string[][];
export declare function tokenizeMorse(morse: string, options?: DecodeOptions): string[][];
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