/// <reference types="node" />
/**
 * Provides tools for adding annotations to images using the Jimp library.
 * Capable of resizing images, drawing rectangles, and placing text labels with backgrounds.
 */
declare class ImageAnnotator {
    private imageBuffer;
    private static readonly FONT_SIZE;
    private static readonly SHORT_SIDE_MAX_SIZE;
    private static readonly LONG_SIDE_MAX_SIZE;
    private static readonly AVERAGE_CHAR_WIDTH;
    private static readonly PADDING_PIXELS;
    private image;
    private originalWidth;
    private originalHeight;
    private imageWidth;
    private imageHeight;
    private borderColor;
    private backgroundColor;
    constructor(imageBuffer: Buffer);
    private initialize;
    annotate(tracks: Array<{
        x: number;
        y: number;
        w: number;
        h: number;
        text: string;
    }>): Promise<Buffer>;
    private calculateNewDimensions;
    private adjustTrackCoordinates;
    private drawRectangle;
    private drawTextBackground;
    private createText;
    private fitTextWithinBounds;
    private getTextWidth;
}
export default ImageAnnotator;