import { FileDownload, FileUpload } from 'tabby-core';
export declare class LocalFileDownload extends FileDownload {
    private localPath;
    private name;
    private size;
    private mode;
    private handle;
    constructor(localPath: string, name: string, size: number, mode: number);
    openForWriting(): Promise<void>;
    getName(): string;
    getSize(): number;
    /** Only the npm typings declare this on a download; the installed class has it on uploads alone. */
    getMode(): number;
    write(buffer: Uint8Array): Promise<void>;
    close(): void;
    cancel(): void;
}
/**
 * A zero-byte upload, used to create an empty remote file.
 *
 * `SFTPSession` has no "create file" of its own, and `open()` would need
 * russh's OPEN_WRITE/OPEN_CREATE flags — russh being a native module this
 * plugin cannot import. Handing an empty transfer to `upload()` gets there
 * through the public API instead: it opens the temp path with those flags
 * itself, reads one empty chunk, and renames into place.
 */
export declare class EmptyFileUpload extends FileUpload {
    private name;
    private mode;
    constructor(name: string, mode: number);
    getName(): string;
    getSize(): number;
    getMode(): number;
    /** Empty on the first call: that is how upload() detects end of stream. */
    read(): Promise<Uint8Array>;
    close(): void;
}
export declare class LocalFileUpload extends FileUpload {
    private localPath;
    private name;
    private size;
    private mode;
    private handle;
    private buffer;
    constructor(localPath: string, name: string, size: number, mode: number);
    openForReading(): Promise<void>;
    getName(): string;
    getSize(): number;
    getMode(): number;
    /** An empty chunk is how SFTPSession.upload() detects the end of the stream. */
    read(): Promise<Uint8Array>;
    close(): void;
    cancel(): void;
}