/** Simple read-only file store. */
export interface ReadOnlyFileStore {
    /** Reads a file given a path, or an URI as returned by calling `save`. Returns file contents. */
    read(pathOrUrl: string): Promise<Buffer>;
    /** Downloads a file given a path, or an URI as returned by calling `save`. Saves file to local path. */
    download(pathOrUrlStr: string, destPath: string): Promise<void>;
    /** Returns whether a file at the given path or URI exists. */
    exists(pathOrUrl: string): Promise<boolean>;
}
export type FileStoreSaveOptions = {
    public?: boolean;
    metadata?: Record<string, string>;
    compress?: boolean;
};
/** Simple file store. */
export interface FileStore extends ReadOnlyFileStore {
    /**
     * Saves contents to the given path. Returns an URI that can be used later to `read` the file.
     * Default: `compress` is false unless explicitly set.
     */
    save(path: string, data: Buffer, opts?: FileStoreSaveOptions): Promise<string>;
    /**
     * Uploads contents from a local file. Returns an URI that can be used later to `read` the file.
     * Default: `compress` is true unless explicitly set to false.
     */
    upload(destPath: string, srcPath: string, opts?: FileStoreSaveOptions): Promise<string>;
}
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