import type { ITerminal } from '@rushstack/terminal';
import { type ICloudBuildCacheProvider } from '@rushstack/rush-sdk';
import { AzureStorageAuthentication, type IAzureStorageAuthenticationOptions } from './AzureStorageAuthentication';
export interface IAzureStorageBuildCacheProviderOptions extends IAzureStorageAuthenticationOptions {
    blobPrefix?: string;
    readRequiresAuthentication?: boolean;
}
export declare class AzureStorageBuildCacheProvider extends AzureStorageAuthentication implements ICloudBuildCacheProvider {
    private readonly _blobPrefix;
    private readonly _environmentCredential;
    private readonly _readRequiresAuthentication;
    get isCacheWriteAllowed(): boolean;
    private _containerClient;
    constructor(options: IAzureStorageBuildCacheProviderOptions);
    tryGetCacheEntryBufferByIdAsync(terminal: ITerminal, cacheId: string): Promise<Buffer | undefined>;
    trySetCacheEntryBufferAsync(terminal: ITerminal, cacheId: string, entryBuffer: Buffer): Promise<boolean>;
    tryDownloadCacheEntryToFileAsync(terminal: ITerminal, cacheId: string, localFilePath: string): Promise<boolean>;
    tryUploadCacheEntryFromFileAsync(terminal: ITerminal, cacheId: string, localFilePath: string): Promise<boolean>;
    /**
     * Shared logic for both buffer-based and file-based GET operations.
     * Checks if the blob exists, retrieves data via the provided callback, and handles errors.
     */
    private _tryGetBlobDataAsync;
    /**
     * Shared logic for both buffer-based and file-based SET operations.
     * Checks write permission, whether the blob already exists, uploads via the provided callback,
     * and handles 409 conflict errors.
     */
    private _trySetBlobDataAsync;
    private _getBlobClientForCacheIdAsync;
    private _logBlobError;
    private _getContainerClientAsync;
    private _getConnectionString;
}
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