import type { AttachOptions, ColorScheme } from './types';
/**
 * FeedbackWidget manages individual feedback UI components
 */
export declare class FeedbackWidget {
    private targetElement;
    private originalText;
    private apiKey;
    private options;
    private isExpanded;
    private selectedFeedback;
    private selectedType;
    private useShadowDOM;
    private container;
    private shadowRoot;
    private trigger;
    private optionsPanel;
    private selectedIconContainer;
    private statusRegion;
    private feedbackButtons;
    private wrapper;
    private isInputElement;
    private debounceTimer;
    private boundInputHandler;
    private boundBlurHandler;
    private widgetStyle;
    private colorScheme;
    private placementVertical;
    private placementHorizontal;
    private isShowingExplanation;
    private isShowingSummary;
    private explanationText;
    private explanationDebounceTimer;
    private explanationContainer;
    private explanationSample;
    private highlightSource;
    private hasNotifiedFirstInteraction;
    constructor(targetElement: HTMLElement, originalText: string, apiKey: string, options?: AttachOptions);
    /**
     * Check if Shadow DOM is supported
     */
    private supportsShadowDOM;
    /**
     * Initialize the widget
     */
    private init;
    /**
     * Wrap an input/textarea element with a container for the widget
     */
    private wrapInputElement;
    /**
     * Get the effective color scheme class (resolves 'system' to actual preference)
     */
    private getColorSchemeClass;
    /**
     * Get the placement CSS classes based on configuration
     */
    private getPlacementClasses;
    /**
     * Render the widget HTML and attach events
     */
    private render;
    /**
     * Attach event listeners to widget elements
     */
    private attachEvents;
    /**
     * Handle keyboard navigation within the options panel
     */
    private handleKeyboardNavigation;
    /**
     * Toggle the options panel visibility
     */
    private toggleOptions;
    /**
     * Notify parent of first interaction (triggers auto-highlight removal for all widgets)
     */
    private notifyFirstInteraction;
    /**
     * Show summary view of existing feedback
     */
    private showFeedbackSummary;
    /**
     * Handle feedback change in summary view
     */
    private handleSummaryFeedbackChange;
    /**
     * Close the summary UI
     */
    private closeSummaryUI;
    /**
     * Hide the options panel
     */
    private hideOptions;
    /**
     * Remove the pulsating highlight effect
     * For explicit highlights (attribute), this removes both class and attribute
     * For auto highlights, the attribute was never there so only class is removed
     */
    private removeHighlight;
    /**
     * Remove auto-highlight (called by parent when first interaction occurs on any widget)
     * Only removes highlight if it was auto-applied, not explicit
     */
    removeAutoHighlight(): void;
    /**
     * Announce a message to screen readers via aria-live region
     */
    private announce;
    /**
     * Handle feedback selection
     */
    private handleFeedback;
    /**
     * Determine whether to show the explanation prompt after feedback
     * Priority: element attribute (float 0-1) > instance sample rate
     */
    private shouldShowExplanation;
    /**
     * Show the explanation textarea UI after feedback selection
     */
    private showExplanationUI;
    /**
     * Handle explanation textarea input with debouncing
     */
    private handleExplanationInput;
    /**
     * Handle explanation textarea blur - send immediately but don't close
     * (closing is handled by document click handler or X button)
     */
    private handleExplanationBlur;
    /**
     * Handle explicit submit button click - send explanation and close UI
     */
    private handleExplanationSubmit;
    /**
     * Send explanation to the API
     */
    private sendExplanation;
    /**
     * Close the explanation UI and restore normal state
     */
    private closeExplanationUI;
    /**
     * Send feedback to the API (creates new or updates existing)
     */
    private sendFeedback;
    /**
     * Set up monitoring for input/textarea value changes
     */
    private setupInputMonitoring;
    /**
     * Handle input changes with debouncing
     */
    private handleInputChange;
    /**
     * Handle blur event - send immediately without debounce
     */
    private handleInputBlur;
    /**
     * Send revised output to the API
     */
    private sendRevisedOutput;
    /**
     * Update the color scheme dynamically
     * @param colorScheme - The new color scheme ('light', 'dark', or 'system')
     */
    setColorScheme(colorScheme: ColorScheme): void;
    /**
     * Remove the widget from the DOM and clean up event listeners
     */
    destroy(): void;
}
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