import { Metadata } from '@azure/storage-blob';
export declare const upload: ({ containerName, fileName, filePath, useConnectionString, connectionString, accountName, metaData, }: {
    containerName: string;
    fileName?: string | undefined;
    filePath: string;
    useConnectionString: boolean;
    connectionString?: string | undefined;
    accountName: string;
    metaData?: Metadata | undefined;
}) => Promise<{
    data: {
        mime: import("stream-mmmagic").MimeType;
        url: string;
    };
    success: boolean;
    message: string;
    response: import("@azure/storage-blob").BlockBlobUploadResponse;
} | {
    success: boolean;
    message: string;
    data?: undefined;
    response?: undefined;
}>;