import { BaseService } from './base.service';
import { FormConfig } from '../interfaces/form-config.interface';
import { FormStep } from '../interfaces/form-step.interface';
/**
 * Service for managing form configuration
 */
export declare class ConfigService extends BaseService<FormConfig> {
    constructor(initialConfig: FormConfig);
    /**
     * Update the entire form configuration
     * @param newConfig New form configuration
     */
    updateConfig(newConfig: FormConfig): void;
    /**
     * Update the form configuration and reset related state
     * @param newConfig New form configuration
     * @param resetCallback Function to reset the form state
     */
    updateConfigAndReset(newConfig: FormConfig, resetCallback: () => void): void;
    /**
     * Add a new step to the form configuration
     * @param step New form step
     * @param index Position to insert the step (defaults to end)
     * @returns New steps length
     */
    addStep(step: FormStep, index?: number): number;
    /**
     * Remove a step from the form configuration
     * @param stepId ID of the step to remove
     * @returns Success flag
     */
    removeStep(stepId: string): boolean;
    /**
     * Get the step by ID
     * @param stepId Step ID
     * @returns Form step or undefined if not found
     */
    getStepById(stepId: string): FormStep | undefined;
    /**
     * Get step by index
     * @param index Step index
     * @returns Form step or undefined if index is out of bounds
     */
    getStepByIndex(index: number): FormStep | undefined;
    /**
     * Get total number of steps
     * @returns Total number of steps
     */
    get totalSteps(): number;
}