import { ActivityError } from "../../Errors";
import type { Element } from "../../forms/FormDefinition";
/**
 * Defines an error that occurs when an attempt was made to access a form
 * element using a name that was not found, or to find the name of an element
 * which wasn't present in the form.
 */
export declare class FormElementNotFoundError extends ActivityError {
    constructor(element: string | Element);
}
/**
 * Defines an error that occurs when an attempt was made to run an activity
 * that requires an element without specifying an element either directly via
 * an activity input or indirectly via a form event.
 */
export declare class NoFormElementAvailableError extends ActivityError {
    constructor();
}