/// <reference types="node" />
import { FileHandle } from "fs/promises";
/**
 * An abstract interface for a file-reading interface. This is used
 * by the ELF parser to read the file from many different sources.
 */
export interface Reader {
    /** The path of the file, if it is a file. */
    path?: string;
    /** Called to open the data source asynchronously. */
    open(): Promise<void>;
    /**
     * Called to read data from the data source.
     * @param length The amount of data to read.
     * @param position If specified, seek to this position first.
     */
    read(length: number, position?: number): Promise<Uint8Array>;
    /**
     * Called to return a data view interface to the data source.
     * @param length The size of the data view.
     * @param position The position of the data view.
     */
    view(length: number, position?: number): Promise<DataView>;
    /** Returns the size of the data source */
    size(): number;
    /** Closes the data source */
    close(): Promise<void>;
}
export declare function array(array: Array<number>): Reader;
export declare function buffer<TBuffer extends Uint8Array>(buffer: TBuffer | ArrayBuffer): Reader;
export declare function asyncfile(fh: FileHandle, ownshandle?: boolean): Reader;
export declare function syncfile(handle: number, ownshandle?: boolean): Reader;
export declare function file(elfpath: string): Reader;
/** Blob for the browser and future node */
export interface Blob {
    readonly size: number;
    arrayBuffer(): Promise<ArrayBuffer>;
}
export declare function blob(item: Blob): Reader;