import { IPluginRegistry, IRegistryPlugin } from "./contracts";
export declare class PluginRegistry implements IPluginRegistry {
    #private;
    constructor();
    /** {@inheritDoc IPluginRegistry.all} */
    all(): Promise<IRegistryPlugin[]>;
    /** {@inheritDoc IPluginRegistry.size} */
    size(pkg: IRegistryPlugin): Promise<number>;
    /** {@inheritDoc IPluginRegistry.downloads} */
    downloads(pkg: IRegistryPlugin): Promise<number>;
}