/**
 * The storage adapter will just save the file and return
 * {
 *  fileId: string,
 *  location: string, // depending on storage it could be a path
 * }
 */
import mime from 'mime-types';
export type AdapterResult = {
    location: string;
};
export type SaveOptionsOverride = {
    fileName?: string;
    path?: string;
};
export type AdapterOptions = {
    baseDir: string;
};
export declare abstract class BaseStorageAdapter {
    adapterOpts: AdapterOptions;
    constructor(adapterOpts: AdapterOptions);
    getAdapterOptions(): AdapterOptions;
    generateFileNameWithExtension(saveOpts: SaveOptionsOverride | undefined, file: File): string;
    abstract save(file: File, saveOpts?: SaveOptionsOverride): Promise<AdapterResult>;
    abstract remove(fileLocation: AdapterResult['location']): Promise<void>;
    abstract read(fileLocation: AdapterResult['location']): Promise<{
        contents: Buffer | string;
        type: ReturnType<typeof mime.lookup>;
    }>;
}
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