import { TemplateResult } from 'lit';
import { LuzmoElement } from '../../utils/base';
import type { ProgressStepsDisplayMode, ProgressStepsLabels, ProgressTreeNode } from './types';
declare const LuzmoProgressSteps_base: typeof LuzmoElement & {
    new (...args: any[]): import("../..").SizedElementInterface;
    prototype: import("../..").SizedElementInterface;
};
/**
 * @element luzmo-progress-steps
 * @summary A component for displaying real-time Progress status steps with substeps
 *
 * @attr size - The size of the component: s, m, l or xl
 * @attr locale - Locale for resolving localized strings (default: 'en')
 * @attr collapsed - When true, collapses all auto-expanded steps
 * @attr condensed - When true, hides all steps behind a single "{n} steps completed" toggle line
 * @attr display-mode - Display mode: 'detailed' (default) shows substeps and descriptions, 'compact' shows only step names
 *
 * @fires luzmo-step-expanded - Fired when a step is expanded
 * @fires luzmo-step-collapsed - Fired when a step is collapsed
 */
export declare class LuzmoProgressSteps extends LuzmoProgressSteps_base {
    static styles: import("lit").CSSResult[];
    /**
     * The progress tree from the backend.
     * The root node's children are rendered as main steps.
     */
    progress: ProgressTreeNode | null;
    /**
     * Locale for resolving localized strings in description metadata.
     * Defaults to 'en'.
     */
    locale: string;
    /**
     * When true, collapses all auto-expanded steps.
     * Manually expanded steps remain open.
     */
    collapsed: boolean;
    /**
     * Display mode for the progress steps.
     * - 'detailed' (default): Shows full descriptions and substeps with expand/collapse
     * - 'compact': Shows only step names without substeps or expand/collapse
     */
    displayMode: ProgressStepsDisplayMode;
    /**
     * When true, hides all steps behind a single "{n} steps completed" toggle line.
     * Clicking the toggle expands/collapses the full step list.
     */
    condensed: boolean;
    /**
     * Labels used for visible text and screen readers.
     * The default values are in English and can be overridden to localize the content.
     * Use `{{count}}` in `stepCompleted` / `stepsCompleted` as a placeholder for the step count.
     */
    labels: ProgressStepsLabels;
    /**
     * When true, disables all entry animations (stepFadeIn, substepFadeIn).
     * @default false
     */
    noAnimate: boolean;
    /**
     * Whether the condensed toggle has been expanded by the user.
     * @internal
     */
    private _condensedExpanded;
    /**
     * Set of node IDs that are manually expanded by the user
     * @internal
     */
    private _expandedNodes;
    /**
     * Nodes that were auto-expanded because they were in-progress.
     * @internal
     */
    private _autoExpandedNodes;
    /**
     * Nodes explicitly expanded by the user.
     * @internal
     */
    private _manuallyExpandedNodes;
    willUpdate(changedProperties: Map<string, unknown>): void;
    /**
     * Handles progress changes, clearing state when progress is reset or root changes
     * @internal
     */
    private _handleProgressChange;
    /**
     * Clears all expansion state for a fresh progress tree
     * @internal
     */
    private _clearExpansionState;
    /**
     * Handle auto-expand for in-progress nodes
     * @internal
     */
    private _handleAutoExpandCollapse;
    /**
     * Collapse all auto-expanded nodes that weren't manually expanded
     * @internal
     */
    private _collapseAutoExpandedNodes;
    /**
     * Re-expand in-progress nodes when collapsed changes to false
     * @internal
     */
    private _reExpandInProgressNodes;
    /** @internal */
    private _reExpandInProgressNodesRecursive;
    /**
     * Map backend status to CSS-friendly status
     * @internal
     */
    private _mapStatus;
    /**
     * Resolve a localized string to the current locale
     * @internal
     */
    private _resolveLocalizedString;
    /**
     * Interpolate description with metadata values
     * Replaces {{key}} placeholders with values from descriptionMetadata
     * @internal
     */
    private _interpolateDescription;
    /** @internal */
    private _toggleNodeExpansion;
    /** @internal */
    private _isNodeExpanded;
    /** @internal */
    private _renderStepIcon;
    /** @internal */
    private _renderChevron;
    /** @internal */
    private _renderSubsteps;
    /** @internal */
    private _renderSubstep;
    /** @internal */
    private _renderStep;
    /** @internal */
    private _toggleCondensed;
    /** @internal */
    private _handleCondensedKeydown;
    /** @internal */
    private _renderCondensed;
    /** @internal */
    private _renderSteps;
    render(): TemplateResult;
}
export {};