type InputEventType = 'keydown' | 'pointerdown' | 'focusin';
type Handler = (e: Event) => void;
export interface LayerInput {
    on(type: InputEventType, h: Handler): () => void;
    /** Number of document listeners currently attached (test hook). */
    attachedCount(): number;
    dispose(): void;
}
/** The document's shared dispatcher (created on first use). */
export declare const layerInputFor: (doc: Document) => LayerInput;
export {};
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