import { Page } from '@agent-infra/browser';
import { Logger } from '@agent-infra/logger';
import { BaseAction } from '@gui-agent/shared/types';
/**
 * Helper class for UI interactions in the browser
 * Provides visual feedback for actions and information display
 */
export declare class UIHelper {
    private getCurrentPage;
    private logger;
    private styleId;
    private containerId;
    private highlightClass;
    private waterFlowId;
    /**
     * Creates a new UIHelper instance
     * @param getCurrentPage Function that returns the current active page
     */
    constructor(getCurrentPage: () => Promise<Page>, logger: Logger);
    showWaterFlow(): Promise<void>;
    private showWaterFlowInner;
    hideWaterFlow(): Promise<void>;
    private hideWaterFlowInner;
    /**
     * Highlights all clickable elements on the page using SoM-inspired approach
     * Should be called before taking a screenshot to show interactive elements
     */
    highlightClickableElements(): Promise<void>;
    private highlightClickableElementsInner;
    /**
     * Removes highlighting from clickable elements
     */
    removeClickableHighlights(): Promise<void>;
    private removeClickableHighlightsInner;
    /**
     * Displays information about the current action being performed
     * @param prediction The parsed prediction containing action details
     */
    showActionInfo(action: BaseAction, thought: string): Promise<void>;
    showActionInfoInternal(action_type: string, action_inputs: Record<string, unknown>, thought: string): Promise<void>;
    /**
     * Shows a visual click indicator at the specified coordinates
     * @param x X coordinate for the click
     * @param y Y coordinate for the click
     */
    showClickIndicator(x: number, y: number): Promise<void>;
    private showClickIndicatorInner;
    /**
     * Shows a visual drag indicator from start to end coordinates
     * @param startX Starting X coordinate
     * @param startY Starting Y coordinate
     * @param endX Ending X coordinate
     * @param endY Ending Y coordinate
     */
    showDragIndicator(startX: number, startY: number, endX: number, endY: number): Promise<void>;
    private showDragIndicatorInner;
    cleanupTemporaryVisuals(): Promise<void>;
    /**
     * Removes all UI helper elements from the page
     */
    cleanup(): Promise<void>;
    /**
     * Injects required CSS styles into the page
     * Creates styling for action indicators and information panels
     */
    private injectStyles;
}
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