/**
 * Hooks bridge — runs Claude Code / native-plugin shell hooks against hoocode events.
 *
 * Claude Code hooks are shell commands wired to named events and matched by tool
 * name. hoocode hooks are TypeScript handlers on the {@link ExtensionEvent} union.
 * This bridge registers handlers that shell out per the hook protocol and translate
 * stdin JSON + exit codes + stdout JSON back into hoocode result objects.
 *
 * Protocol (faithful to Claude Code):
 *  - Input: a JSON object on stdin describing the event.
 *  - Exit 0: success. stdout may carry a JSON decision; for prompt/session events
 *    plain stdout is treated as additional context.
 *  - Exit 2: blocking error. stderr (or JSON `reason`) is the block reason.
 *  - Other non-zero: non-blocking error (logged, not surfaced to the model).
 *  - Optional stdout JSON: `{ decision: "block"|"approve", reason, permissionDecision }`.
 */
import type { ExtensionAPI } from "../types.js";
import type { PluginHooksConfig } from "./manifest.js";
/**
 * Register all hook events for one plugin against the ExtensionAPI.
 * `onError` reports non-blocking failures (kept off the model's path).
 */
export declare function installPluginHooks(hoo: ExtensionAPI, hooks: PluginHooksConfig, root: string, vars: Record<string, string>, onError: (message: string) => void): void;
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