/**
 * The unified plugin registry contract: one registry, three target kinds.
 *
 * `Target<K>` maps each kind to its concrete target shape so `register`/`get`
 * stay kind-typed at the call site. The concrete storage + singleton live in
 * `internal.ts`.
 */
import type { ConnectorTarget, DeployTarget, DriverTarget } from "./targets.js";
/** The three kinds of thing the registry owns. */
export type TargetKind = "driver" | "connector" | "deployTarget";
/** Maps a `TargetKind` to its concrete target interface. */
export type Target<K extends TargetKind> = K extends "driver" ? DriverTarget : K extends "connector" ? ConnectorTarget : K extends "deployTarget" ? DeployTarget : never;
/** Lightweight metadata row returned by `list()` — enough to populate a picker without loading a module. */
export interface TargetMeta {
    id: string;
    displayName: string;
}
/** The seam third-party plugins target: register a thing by kind+id, look it up later. */
export interface PluginRegistry {
    readonly apiVersion: 1;
    register<K extends TargetKind>(kind: K, target: Target<K>): void;
    unregister<K extends TargetKind>(kind: K, id: string): boolean;
    get<K extends TargetKind>(kind: K, id: string): Target<K> | undefined;
    list<K extends TargetKind>(kind: K): readonly TargetMeta[];
}
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