export type StorageProvider = "r2" | "s3";
interface R2Credentials {
    provider: "r2";
    accountId: string;
    accessKeyId: string;
    secretAccessKey: string;
}
interface S3Credentials {
    provider: "s3";
    region: string;
    accessKeyId: string;
    secretAccessKey: string;
}
interface S3IamCredentials {
    provider: "s3-iam";
    region: string;
}
/** @deprecated Legacy R2 credentials format without explicit provider */
interface LegacyR2Credentials {
    provider?: undefined;
    accountId: string;
    accessKeyId: string;
    secretAccessKey: string;
}
export type StorageCredentials = R2Credentials | S3Credentials | S3IamCredentials;
interface BaseConfig {
    bucket: string;
}
type R2BaseConfig = BaseConfig & R2Credentials;
type S3BaseConfig = BaseConfig & S3Credentials;
type S3IamBaseConfig = BaseConfig & S3IamCredentials;
type LegacyR2BaseConfig = BaseConfig & LegacyR2Credentials;
export type StorageBaseConfig = R2BaseConfig | S3BaseConfig | S3IamBaseConfig | LegacyR2BaseConfig;
export type UploadStreamConfig = StorageBaseConfig & {
    destinationDir: string;
    files: {
        fullPath: string;
        fileName: string;
        mimeType?: string;
    }[];
};
export type UploadBufferConfig = StorageBaseConfig & {
    destinationDir: string;
    files: {
        buffer: Buffer;
        fileName: string;
        mimeType?: string;
    }[];
};
export type FetchConfig = StorageBaseConfig & {
    prefix: string;
    withSignedUrl?: boolean;
    suffix?: string;
};
export type DeleteConfig = StorageBaseConfig;
/** @deprecated Use UploadStreamConfig instead */
export type R2UploadStreamConfig = UploadStreamConfig;
/** @deprecated Use UploadBufferConfig instead */
export type R2UploadBufferConfig = UploadBufferConfig;
/** @deprecated Use FetchConfig instead */
export type R2FetchConfig = FetchConfig;
/** @deprecated Use DeleteConfig instead */
export type R2DeleteConfig = DeleteConfig;
export interface FileMap {
    [file: string]: string;
}
export type AsyncTask = () => Promise<FileMap | void>;
export {};
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