import { ActionButton } from '../types/external-types/actionButton';
import * as i0 from "@angular/core";
/**
 * Service for encoding and decoding ActionButton objects to/from URL-safe strings
 */
export declare class ActionButtonCodecService {
    constructor();
    /**
     * Encode an ActionButton to a URL-safe base64 string
     * @param button The ActionButton to encode
     * @returns URL-safe base64 encoded string
     */
    encode(button: ActionButton): string;
    /**
     * Decode a URL-safe base64 string to an ActionButton
     * @param encoded The encoded string
     * @returns Decoded ActionButton or null if invalid
     */
    decode(encoded: string): ActionButton | null;
    /**
     * Validate if an object is a valid ActionButton
     * @param obj The object to validate
     * @returns true if valid, false otherwise
     */
    private isValidActionButton;
    /**
     * Create a URL with an afterLoadBtn query parameter
     * @param baseUrl The base URL
     * @param button The ActionButton to encode
     * @param additionalParams Optional additional query parameters
     * @returns Complete URL with afterLoadBtn parameter
     */
    createUrlWithActionButton(baseUrl: string, button: ActionButton, additionalParams?: {
        [key: string]: string;
    }): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<ActionButtonCodecService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ActionButtonCodecService>;
}