import { BlobService, common } from 'azure-storage';
import { BlobWriteCallback, BlobWriter } from './base-bot-logger';
import { Blob } from './serialization';
export interface AzureBlobWriterOptions {
    /** Blob container where media attachments will be stored */
    containerName: string;
    /** Use this shared access policy when linking log events to media blobs (default: read-only, expires in year 2099) */
    sasPolicy?: common.SharedAccessPolicy;
}
export declare class AzureBlobWriter implements BlobWriter {
    private blobs;
    private options;
    private initializer;
    constructor(blobs: BlobService, options: AzureBlobWriterOptions);
    write(blob: Blob, callback: BlobWriteCallback): void;
    locate(blob: Blob): string;
    private init;
}