/**
 * The function checks if the input is an acceptable table row observer by comparing the host tag name and finding the parent vega-table element.
 *
 * @param {unknown} input - The `input` parameter is of type `unknown`, which means it can be any type.
 * @returns {boolean} a boolean value.
 */
export declare function isAcceptableTableRowObserver<T>(input: unknown): input is T;
/**
 * The function checks if the input is an acceptable table observer by verifying if it has a host with a tagName of 'VEGA-TABLE' and if the host is the parent of the current host.
 *
 * @param {unknown} input - The `input` parameter is of type `unknown`, which means it can be any type.
 * @returns {boolean} a boolean value indicating whether the input is an acceptable table observer.
 */
export declare function isAcceptableTableObserver<T>(input: unknown): input is T;