import type { KeystrokePack } from '../types.js';
interface KeyProfile {
    freq: number;
    duration: number;
    decay: number;
    noise: number;
}
interface PackProfile {
    normal: KeyProfile;
    space: KeyProfile;
    enter: KeyProfile;
    backspace: KeyProfile;
}
export type KeyType = 'normal' | 'space' | 'enter' | 'backspace';
export declare function classifyKeyType(char: string | undefined): KeyType;
export declare function generateKeystrokeWav(pack: KeystrokePack, keyType: KeyType, outputPath: string): Promise<void>;
export declare function generateAllKeystrokeSounds(pack: KeystrokePack, outputDir: string): Promise<Record<KeyType, string>>;
export declare function getPackProfiles(): Record<KeystrokePack, PackProfile>;
export {};