import { SpeechBubbleName } from "../../types";
export declare function getTypingDelayForLetter(letter: string, speechBubbleName: SpeechBubbleName): any;
export declare function getTypingDelayForText(text: string, speechBubbleName: SpeechBubbleName): number;
export declare function isSpecialLetter(text: string): RegExpMatchArray | null;
export declare function isWhitespace(text: string): boolean;