import { ModalActionType, ModalButtonAlignment, ModalButtonSeverity } from '../enums';
export declare class ModalButton {
    text: string;
    action: Function;
    visible: boolean;
    severity: ModalButtonSeverity;
    class: string;
    type: ModalActionType;
    alignment: ModalButtonAlignment;
    constructor(text: string, type: ModalActionType, alignment?: ModalButtonAlignment, severity?: ModalButtonSeverity, action?: Function, visible?: boolean);
    setType(type: ModalActionType): void;
    /**
     * Sets the severity class of the button
     * @param {ModalButtonSeverity} severity The severity of the button
     */
    setSeverity(severity: ModalButtonSeverity): void;
    /**
     * Sets the alignment of the button
     * @param {ModalButtonAlignment} alignment The alignment of the button
     */
    setAlignment(alignment: ModalButtonAlignment): void;
    /**
     * Sets the action which occurs when the button is invoked
     * @param {Function} action A callback function to execute
     */
    setAction(action: Function): void;
    /**
     * Adds the given class to the button's class list
     * @param {string} className The class to add
     */
    addClass(className: string): void;
    /**
     * Removes the given class from the button's class list
     * @param {string} className The class to remove
     */
    removeClass(className: string): void;
    /**
     * Checks the event action function for the given event and throws an error
     * if the function is null or undefined.
     * @param {string}   eventName The event for which the action is given.
     * @param {Function} action    The action callback function for the event.
     */
    private _checkButtonEventAction(action);
    /**
     * Ensures the constructor parameters passed into the Modal Button are valid.
     * @param {string}            text The text to display in the button
     * @param {ModalActionType} type The type of button
     */
    private _checkButtonInitialization(text, type);
}