/**
 * New hook operation — scaffolds a new hook directory with the manifest and a
 * starter entrypoint.
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import type { Handle } from "../../extensions/handle.js";
import type { OperationHandler } from "../../plan/apply-plan.js";
import type { Operation } from "../../plan/plan.js";
import { WorkspaceMutations } from "../../workspace/service-interface.js";
import { type HookEvent, type HookRuntime } from "../manifest-schema.js";
/**
 * Args for the new-hook operation.
 */
export interface NewHookOperationArgs {
    /** Hook name (validated, lowercase with hyphens). */
    readonly name: string;
    /** Owner (e.g., "@myorg"). */
    readonly owner: Handle;
    /** Interpreter family for the entrypoint. */
    readonly runtime: HookRuntime;
    /** Canonical hook event the scaffold binds to. */
    readonly event: HookEvent;
    /** Optional raw matcher (only meaningful for tool.pre/tool.post). */
    readonly matcher: string | undefined;
}
/**
 * Scaffold a new hook in the workspace.
 *
 * @experimental This API is unstable and may change without notice.
 */
export type NewHookOperation = Operation<"new-hook", NewHookOperationArgs>;
/**
 * New-hook operation handler.
 *
 * 1. Compute managed extension directory path
 * 2. Check if the hook already exists (directory or settings entry)
 * 3. Create the managed extension + src directories
 * 4. Write hook.json manifest
 * 5. Write starter entrypoint in src/
 */
export declare const newHook: OperationHandler<NewHookOperation, FileSystem.FileSystem | Path.Path | WorkspaceMutations>;
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