import { ModuleMetadata, Type } from '@nestjs/common';
import { StorageEnum } from '../enum';
import { AwsS3StorageInterface } from './aws-s3-storage.interface';
import { StorageOptionsLocalInterface } from './local-storage.interface';
export type StorageProvidersType = StorageOptionsLocalInterface | AwsS3StorageInterface;
export type StorageProviderOptionsType = StorageProvidersType & {
    /**
     * The name is injection token. It is used to inject the storage into the constructor.
     * @example constructor(@Inject(STORAGE_NAME) private readonly storage: LocalStorage) {}
     */
    name: string | symbol;
};
export type StorageModuleOptionsType = StorageProviderOptionsType[] | {
    /**
     * An array of storage providers.
     */
    storages: StorageProviderOptionsType[];
    /**
     * Determines whether the storage services are global.
     * @default false
     */
    isGlobal?: boolean;
};
export type StorageModuleAsyncOptionsType = StoragesProviderAsyncOptions[] | {
    /**
     * An array of storage providers.
     */
    storages: StoragesProviderAsyncOptions[];
    /**
     * Determines whether the storage services are global.
     * @default false
     */
    isGlobal?: boolean;
};
export interface BaseStorageOptionsInterface<Storage extends StorageEnum> {
    /**
     * The storage type.
     */
    storage: Storage;
}
export interface StorageModuleOptionsFactory {
    createClientOptions(): Promise<StorageProvidersType> | StorageProvidersType;
}
export interface StoragesProviderAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    useExisting?: Type<StorageModuleOptionsFactory>;
    useClass?: Type<StorageModuleOptionsFactory>;
    useFactory?: (...args: unknown[]) => Promise<StorageProvidersType> | StorageProvidersType;
    inject?: any[];
    name: string | symbol;
}