import { Paragraph, TextRun, ImageRun } from 'docx';
import type { UnifiedRenderResult } from '../types/index';
import type { ImageBufferResult, DOCXImageType } from '../types/docx';
interface ImageDimensions {
    width: number;
    height: number;
}
interface Renderer {
    render(type: string, content: string, options?: Record<string, unknown>): Promise<{
        base64: string;
        width: number;
        height: number;
    }>;
}
type FetchImageAsBufferFunction = (url: string) => Promise<ImageBufferResult>;
/**
 * Calculate appropriate image dimensions for DOCX to fit within page constraints
 * Maximum width: 6 inches (page width with 1 inch margins on letter size)
 * Maximum height: 9.5 inches (page height with 1 inch margins on letter size)
 * @param originalWidth - Original image width in pixels
 * @param originalHeight - Original image height in pixels
 * @returns {width: number, height: number} in pixels
 */
export declare function calculateImageDimensions(originalWidth: number, originalHeight: number): ImageDimensions;
/**
 * Convert unified plugin render result to DOCX elements
 * @param renderResult - Unified render result from plugin.renderToCommon()
 * @param pluginType - Plugin type for alt text
 * @returns DOCX Paragraph or ImageRun
 */
export declare function convertPluginResultToDOCX(renderResult: UnifiedRenderResult, pluginType?: string): Paragraph | TextRun | ImageRun;
/**
 * Get image dimensions from buffer
 * @param buffer - Image buffer
 * @param contentType - Image content type
 * @returns Promise with width and height
 */
export declare function getImageDimensions(buffer: Uint8Array, contentType: string): Promise<ImageDimensions>;
/**
 * Determine image type from content type or URL
 * @param contentType - Image content type
 * @param url - Image URL
 * @returns Image type for docx
 */
export declare function determineImageType(contentType: string | null, url: string): DOCXImageType;
/**
 * Check if URL or content type indicates an SVG image
 * @param url - Image URL
 * @param contentType - Content type (optional)
 * @returns True if SVG
 */
export declare function isSvgImage(url: string, contentType?: string | null): boolean;
/**
 * Convert SVG content to PNG using renderer
 * @param svgContent - SVG content string
 * @param renderer - Renderer instance with render() method
 * @returns Promise with buffer, width, and height
 */
export declare function convertSvgToPng(svgContent: string, renderer: Renderer): Promise<{
    buffer: Uint8Array;
    width: number;
    height: number;
}>;
/**
 * Get SVG content from URL or data URL
 * @param url - SVG URL or data URL
 * @param fetchImageAsBuffer - Function to fetch image as buffer
 * @returns SVG content string
 */
export declare function getSvgContent(url: string, fetchImageAsBuffer: FetchImageAsBufferFunction): Promise<string>;
export {};