/**
 * Hook for handling keyboard shortcuts for tool approval.
 * Only responds to shortcuts when there are pending approvals for the given session.
 *
 * Shortcuts:
 * - Y: Approve first pending
 * - N or Escape: Reject first pending
 * - A: Approve all pending
 */
export declare function useToolApprovalShortcuts(sessionId: string | undefined): void;
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