export declare function isBoolean(value: unknown): value is boolean;
/** Whether the value is undefined. */
export declare const isUndefined: (value: unknown) => value is undefined;
/** Whether the value is null. */
export declare const isNull: (value: unknown) => value is null;
/**
 * Will be removed in the next major release
 *
 * @deprecated Use `booleanAttribute` instead
 */
export declare function toBoolean(value: unknown): boolean;
export declare const getNodesWithoutComments: (nodes: NodeList) => Node[];
export declare const leftIconClassName = "kbq-icon_left";
export declare const rightIconClassName = "kbq-icon_right";
/** Whether the current platform is a Mac. */
export declare function isMac(): boolean;
