/**
 * hook:run CLI command.
 *
 * Dispatches hook handling to the appropriate harness adapter.
 * Each harness (e.g. "claude-code") implements its own stop and
 * session-start handlers via the HarnessAdapter interface.
 *
 * The "user-prompt-submit" hook type is harness-agnostic: it reads the
 * Claude Code UserPromptSubmit JSON payload from stdin, applies density-filter
 * compression if the prompt exceeds the configured token threshold, and writes
 * the (possibly compressed) payload to stdout.
 */
export interface HookRunCommandArgs {
    hookType: string;
    /** Which host tool is invoking the hook. Auto-detected from caller env, falls back to "claude-code". */
    harness: string;
    /** @deprecated Resolved from environment automatically (CLAUDE_PLUGIN_ROOT, CODEX_PLUGIN_ROOT, etc.). Accepted for backward compatibility. */
    pluginRoot?: string;
    stateDir?: string;
    runsDir?: string;
    json: boolean;
    verbose?: boolean;
}
export declare function handleHookRun(args: HookRunCommandArgs): Promise<number>;
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