import { default as React } from 'react'; export interface MetronomeToggleProps { className?: string; isActive?: boolean; disabled?: boolean; size?: 'small' | 'medium' | 'large'; bpm?: number; timeSignature?: string; onToggle?: (active: boolean) => void; onBpmChange?: (bpm: number) => void; onTimeSignatureChange?: (signature: string) => void; children?: React.ReactNode; } export declare const MetronomeToggle: React.FC;