/**
 * Normalizes a keybinding string.
 *
 * @param keybinding - Keybinding string to normalize
 * @returns Normalized keybinding string or null if empty
 *
 * @example
 * normalizeKeybinding("k") // "k"
 * normalizeKeybinding("meta") // "Cmd" on Mac
 * normalizeKeybinding(" space ") // "Space"
 */
export declare function normalizeKeybinding(keybinding: string | null | undefined): string | null;
/**
 * Checks if a pressed key matches the keybinding.
 * Checks both event.key and event.code for better reliability.
 *
 * @param event - KeyboardEvent to check
 * @param keybinding - Keybinding string to match against
 * @returns true if either the key or code matches the keybinding
 *
 * @example
 * matchesKeybinding(event, "k") // true if event.key is "k" or event.code is "KeyK"
 * matchesKeybinding(event, "`") // true if event.key is "`" or event.code is "Backquote"
 */
export declare function matchesKeybinding(event: KeyboardEvent, keybinding: string | null | undefined): boolean;
/**
 * Checks if keybindings should be ignored for the current active element.
 * Returns true if the user is typing in an input field.
 *
 * @param element - Element to check
 * @returns true if keybindings should be ignored for this element
 *
 * @example
 * shouldIgnoreKeybinding(document.activeElement) // true if input/textarea/contenteditable
 */
export declare function shouldIgnoreKeybinding(element: Element | null): boolean;