export type StorageOption = LocalStorageOption | S3StorageOption | R2StorageOption | GDriveStorageOption | DropboxStorageOption;
export declare enum Provider {
    LOCAL = "LOCAL",
    S3 = "S3",
    R2 = "R2",
    GDRIVE = "GDRIVE",
    DROPBOX = "DROPBOX"
}
export type LocalStorageOption = {
    provider: Provider.LOCAL;
    options: {
        root: string;
    };
};
export type S3Options = {
    accessKeyId: string;
    secretAccessKey: string;
    endpoint: string;
    bucket: string;
    region?: string;
};
export type S3StorageOption = {
    provider: Provider.S3;
    options: S3Options;
};
export type R2StorageOption = {
    provider: Provider.R2;
    options: S3Options;
};
export type GDriveStorageOption = {
    provider: Provider.GDRIVE;
    options: {
        clientId: string;
        clientSecret: string;
        refreshToken: string;
    };
};
export type DropboxStorageOption = {
    provider: Provider.DROPBOX;
    options: {
        clientId: string;
        clientSecret: string;
        refreshToken: string;
    };
};
export interface AsyncStorageOptions {
    isGlobal?: boolean;
    inject?: any[];
    imports?: any[];
    useFactory: (...args: any[]) => Promise<StorageOption> | StorageOption;
}