import type { ProviderId } from "../types.js";
export type ModelImageMediaType = "image/png" | "image/jpeg" | "image/gif" | "image/webp";
export declare function isModelImageMediaType(mediaType: string): boolean;
export declare function detectModelImageMediaType(bytes: Uint8Array): ModelImageMediaType | undefined;
export type ConvertibleImageFormat = ModelImageMediaType | "image/bmp" | "image/tiff" | "image/heic" | "image/avif" | "image/x-icon";
export declare function detectConvertibleImageFormat(bytes: Uint8Array): ConvertibleImageFormat | undefined;
export interface ImageDimensions {
    readonly width: number;
    readonly height: number;
}
export declare function readImageDimensions(bytes: Uint8Array): ImageDimensions | undefined;
export interface ImageBudget {
    readonly maxBytes: number;
    readonly hardMaxBytes: number;
    readonly maxDimension: number;
    readonly maxCount: number;
    readonly maxTotalBytes: number;
    readonly label: string;
}
export declare function imageBudgetFor(provider: ProviderId | string, model?: string): ImageBudget;
export declare function formatByteSize(bytes: number): string;