export declare const bloksEmpty: (bloks: any) => boolean;
/**
 * Generates a preview string for various input types.
 *
 * @param {any} input - The input value to generate a preview for. Can be a string, number, array, or object.
 * @returns {Promise<string | number | any>} A preview representation of the input:
 *   - For strings: Truncated string
 *   - For numbers: The number as is
 *   - For arrays: A string showing the preview of the first element in brackets
 *   - For objects: A truncated JSON string representation
 *   - For other types: The input value as is
 *
 * @example
 * // String input
 * await getPreview("This is a long string") // Returns truncated string
 *
 * @example
 * // Number input
 * await getPreview(42) // Returns 42
 *
 * @example
 * // Array input
 * await getPreview(["item1", "item2"]) // Returns "[item1]"
 *
 * @example
 * // Object input
 * await getPreview({ key: "value" }) // Returns truncated JSON string
 */
export declare const getPreview: (input: any) => Promise<string | number | any>;