import { Storage } from '@google-cloud/storage';
import { AdapterInterface } from '../adapter.interface';
import { ListContentsResponse } from '../response/list.contents.response';
import { AbstractAdapter } from './abstract.adapter';
export declare class GoogleStorageAdapter extends AbstractAdapter implements AdapterInterface {
    protected client: Storage;
    protected bucket: string;
    protected options: any;
    protected resultMap: {
        body: string;
        contentType: string;
        size: string;
    };
    protected metaOptions: never[];
    constructor(storageClient: any, bucket: string, prefix?: string, options?: any);
    getBucket(): string;
    setBucket(bucket: string): void;
    getClient(): Storage;
    protected normalizeResponse(response: any, path: string): any;
    listContents(directory: string, recursive?: boolean): Promise<ListContentsResponse[]>;
    write(path: string, contents: string | Buffer, config?: any): Promise<any>;
    protected upload(path: string, contents: string | Buffer, config?: any): Promise<any>;
    read(path: string): Promise<any | false>;
    delete(path: string): Promise<boolean>;
    has(path: string): Promise<boolean>;
    readStream(path: string): Promise<any | false>;
    getMetadata(path: string): Promise<any>;
    getSize(path: string): Promise<any>;
    getMimetype(path: string): Promise<any | false>;
    getTimestamp(path: string): Promise<any | false>;
    getVisibility(path: string): Promise<any | false>;
    protected getRawVisibility(path: string): Promise<any | false>;
    writeStream(path: string, resource: any, config?: any): Promise<any>;
    update(path: string, contents: string, config?: any): Promise<any>;
    updateStream(path: string, resource: any, config?: any): Promise<any>;
    rename(path: string, newpath: string): Promise<boolean>;
    copy(path: string, newpath: string): Promise<boolean>;
    deleteDir(dirname: string): Promise<boolean>;
    createDir(dirname: string, config?: any): Promise<any | false>;
    setVisibility(path: string, visibility: 'public' | 'private'): Promise<any | false>;
    applyPathPrefix(path: any): any;
    protected getOptionsFromConfig(config: any): any;
}