/**
 * GIF generation system for browser-use TypeScript
 *
 * This module provides comprehensive GIF creation capabilities including:
 * - Creates animated GIFs from agent execution history
 * - Overlays task descriptions and goals on screenshots
 * - Support for Unicode text rendering (Chinese, Arabic, etc.)
 * - Font fallback system for cross-platform compatibility
 * - Configurable duration, font sizes, logos
 */
export interface GIFGenerationConfig {
    output_path?: string;
    duration?: number;
    show_goals?: boolean;
    show_task?: boolean;
    show_logo?: boolean;
    font_size?: number;
    title_font_size?: number;
    goal_font_size?: number;
    margin?: number;
    line_spacing?: number;
    text_color?: [number, number, number, number];
    text_box_color?: [number, number, number, number];
}
/**
 * Placeholder for 4px screenshot (about:blank pages)
 */
export declare const PLACEHOLDER_4PX_SCREENSHOT = "iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAD0lEQVQIHWPY//8/AzMDGwAhgwP/PpKjDAAAAABJRU5ErkJggg==";
/**
 * History item interface (placeholder for actual types)
 */
export interface HistoryItem {
    state: {
        get_screenshot(): string | null;
        url: string;
    };
    model_output: {
        current_state: {
            next_goal: string;
            evaluation_previous_goal: string;
            memory: string;
        };
    } | null;
}
/**
 * Agent history list interface
 */
export interface AgentHistoryList {
    history: HistoryItem[];
    screenshots(return_none_if_not_screenshot?: boolean): (string | null)[];
}
/**
 * Handle decoding unicode escape sequences for GIF overlay text
 * (needed for non-ASCII languages like Chinese or Arabic)
 */
export declare function decodeUnicodeEscapesToUTF8(text: string): string;
/**
 * Check if a URL is a new tab page that should be skipped
 */
export declare function isNewTabPage(url: string): boolean;
/**
 * Create a GIF from the agent's history with overlaid task and goal text
 */
export declare function createHistoryGIF(task: string, history: AgentHistoryList, config?: Partial<GIFGenerationConfig>): Promise<void>;
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