/** Maximum upload size for asset sources (local file, URL, base64). */
export declare const MAX_UPLOAD_BYTES: number;
export declare const MAX_UPLOAD_MB: number;
export declare function uploadSizeLimitMessage(byteLength: number): string;
/** Throws when buffer exceeds {@link MAX_UPLOAD_BYTES}. */
export declare function assertUploadBufferSize(buffer: Buffer): void;
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