import * as command from '@oclif/command';
import { Manager, IPackageInstalled } from '@shockpkg/core';
import { ProgressCallback } from './progress';
declare const CommandBase: typeof command.Command;
export declare const flags: typeof command.flags;
export declare const run: typeof command.run;
/**
 * Command constructor.
 */
export declare abstract class Command extends CommandBase {
    /**
     * Init function.
     *
     * @returns Return data.
     */
    init(): Promise<any>;
    /**
     * Custom error handler function.
     *
     * @param err Error value.
     * @returns Return data if present.
     */
    catch(err: any): Promise<any>;
    /**
     * Get the update interval.
     *
     * @returns Update interval.
     */
    protected _updateInterval(): number;
    /**
     * Check if the shell is interactive.
     *
     * @returns True if interactive shell, else false.
     */
    protected _isInteractive(): boolean;
    /**
     * Transfer seconds human readable.
     *
     * @param ms Miliseconds passed or null.
     * @returns Formatted string.
     */
    protected _transferSecondsHuman(ms: number | null): string;
    /**
     * Transfer bytes human readable.
     *
     * @param size Byte size.
     * @returns Formatted string.
     */
    protected _transferBytesHuman(size: number): string;
    /**
     * Init data transfer progress output function.
     *
     * @returns Progress update callback function.
     */
    protected _transferProgressOutputInit(): ProgressCallback;
    /**
     * Clear data transfer progress output after.
     */
    protected _transferProgressOutputAfter(): void;
    /**
     * Run an async function with a manager instance.
     *
     * @param handler Handler function.
     * @returns Return value of the handler function.
     */
    protected _manager<T>(handler: (manager: Manager) => Promise<T>): Promise<T>;
    /**
     * Install events for reporting install progress.
     *
     * @param manager Manager instance.
     * @param reason Install reason.
     */
    protected _installEvents(manager: Manager, reason: string): void;
    /**
     * Count install report categories.
     *
     * @param report Report list.
     * @returns Report counts.
     */
    protected _installReportCounts(report: IPackageInstalled[]): {
        installed: number;
        skipped: number;
    };
    /**
     * Shared install command runner.
     *
     * @param packages Pacakges list.
     * @param method Install method.
     */
    protected _commandInstall(packages: string[], method: string): Promise<void>;
    /**
     * Shared upgrade command runner.
     *
     * @param method Install method.
     */
    protected _commandUpgrade(method: string): Promise<void>;
}
export {};