import * as React from 'react'; interface ToolbarItemProps extends Pick, 'onKeyDown' | 'onFocus' | 'aria-disabled' | 'disabled'> {} export declare function useRegisterToolbarButton(props: ToolbarItemProps, ref: React.RefObject): { tabIndex: number; disabled: boolean | undefined; 'aria-disabled': (boolean | "true" | "false") | undefined; onKeyDown: (event: React.KeyboardEvent) => void; onFocus: (event: React.FocusEvent) => void; }; export {};