/**
 * SVG Plugin
 *
 * Handles SVG code blocks and SVG image files in content script and DOCX export
 */
import { BasePlugin } from './base-plugin';
/**
 * AST node interface for SVG plugin
 */
interface AstNode {
    type: string;
    lang?: string;
    value?: string;
    url?: string;
}
export declare class SvgPlugin extends BasePlugin {
    private _currentNodeType;
    constructor();
    /**
     * Extract content from AST node
     * Handles both SVG code blocks and SVG image files
     * @param node - AST node
     * @returns SVG content or URL, or null if not applicable
     */
    extractContent(node: AstNode): string | null;
    /**
     * SVG uses inline rendering for images, block for code blocks
     * @returns True for inline rendering (images), false for block (code blocks)
     */
    isInline(): boolean;
    /**
     * Check if content is a URL (for image nodes)
     * @param content - Extracted content
     * @returns True if content is a URL
     */
    isUrl(content: string): boolean;
    /**
     * Fetch SVG content from URL
     * Uses DocumentService for unified file access across all platforms.
     * @param url - URL to fetch (http://, https://, file://, data:, or relative path)
     * @returns SVG content
     */
    fetchContent(url: string): Promise<string>;
    /**
     * Get AST node selector(s) for remark visit
     * SVG plugin handles both code blocks and image nodes
     * @returns Array of node types ['code', 'image']
     */
    get nodeSelector(): string[];
}
export {};