/**
 * Utility functions for keyboard extension
 * @module
 */
/**
 * Checks if an input element accepts text input
 * @param element Input element to check
 * @returns True if the input accepts text
 */
export declare function isTextInput(element: HTMLInputElement): boolean;
/**
 * Checks if an element or its parent is contentEditable
 * @param element Element to check
 * @returns True if element is contentEditable
 */
export declare function isContentEditable(element: Element): boolean;
/**
 * Checks if the event target is an editable element where text input is expected
 * @param target Event target element
 * @returns True if the target is an editable element
 */
export declare function isEditableElement(target: EventTarget | null): boolean;
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