declare const DEFAULT_OPTIONS: {
    maxWidth: number;
    maxHeight: number;
    maxBytes: number;
    jpegQuality: number;
};
type SupportedImageMimeType = "image/jpeg" | "image/png" | "image/gif" | "image/webp";
type ResizableImage = {
    type: "image";
    data: string;
    mimeType: string;
};
type ResizeOptions = Partial<typeof DEFAULT_OPTIONS>;
export type ResizeImageResult = {
    data: string;
    mimeType: string;
    originalWidth: number;
    originalHeight: number;
    width: number;
    height: number;
    wasResized: boolean;
};
export declare function detectSupportedImageMimeTypeFromFile(filePath: string): Promise<SupportedImageMimeType | null>;
export declare function resizeImage(image: ResizableImage, options?: ResizeOptions): Promise<ResizeImageResult>;
export declare function formatDimensionNote(result: ResizeImageResult): string | undefined;
export {};
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