import type { Disposable, HostApi } from "./host-api.js";
/**
 * The context handed to an extension's `activate()` when the extension-host
 * loads it. `host` is the RPC-backed capability surface; `registerCommand`
 * wires a handler for a command declared in the manifest's `contributes.commands`.
 *
 * Push any Disposable you create into `subscriptions`; the host disposes them
 * all on `deactivate()` / unload.
 */
export interface ExtensionContext {
    host: HostApi;
    subscriptions: Disposable[];
    registerCommand(id: string, handler: (...args: unknown[]) => unknown | Promise<unknown>): Disposable;
}
export type ActivateFn = (context: ExtensionContext) => void | Promise<void>;
export type DeactivateFn = () => void | Promise<void>;
/** The shape the extension-host expects from an extension's `main` module. */
export interface ExtensionModule {
    activate: ActivateFn;
    deactivate?: DeactivateFn;
}
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