/** `disabled` is applied by the caller that knows the operator's lists, not here. */
export type PluginStatus = "loaded" | "disabled" | "error";
/** One inventory row. A directory that fails validation still gets one, because a
 *  plugin that vanishes from the settings list when it breaks is one nobody can fix. */
export interface PluginRecord {
    id: string;
    name: string;
    version: string;
    kind: "client" | "client+server";
    status: PluginStatus;
    error?: string;
}
/** An inventory row plus the paths the gateway serves that plugin from. */
export interface DiscoveredPlugin extends PluginRecord {
    /** Absolute plugin directory. */
    dir: string;
    /** Absolute client entry, or null when the plugin failed to load. */
    client: string | null;
    /** Absolute server entry, or null when it is absent or was rejected. */
    server: string | null;
}
/** The wire shape, built field by field so a resolved local path cannot ride along. */
export declare function inventoryRow(plugin: DiscoveredPlugin): PluginRecord;
/**
 * The whole inventory, read from disk.
 *
 * Concurrent callers share one scan: reads can outlast the watcher's debounce
 * window, and a rescan landing on top of a scan that is still running would
 * report an inventory assembled from two different moments.
 */
export declare function scanPlugins(): Promise<DiscoveredPlugin[]>;
/** The one plugin an `/api/plugins/<id>/…` request names, or null when nothing is
 *  installed under that id. */
export declare function loadPlugin(id: string): Promise<DiscoveredPlugin | null>;
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