import { Command } from '@oclif/core';
export declare abstract class BaseCommand extends Command {
    static enableJsonFlag: boolean;
    /**
     * Called by oclif after `run()` completes (or throws).
     * Closes the cached World instance so the process can exit cleanly
     * without relying on `process.exit()`.
     *
     * Commands that never touch a World (like `build`) skip this entirely:
     * the runtime is imported only when there is a World to close, instead of
     * loading it (and creating a World) just to close it again.
     */
    finally(err: Error | undefined): Promise<void>;
    protected logInfo(message: string): void;
    protected logWarn(message: string): void;
    protected logError(message: string): void;
}
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