/**
 * System Transform Handler
 *
 * Hook: experimental.chat.system.transform
 *
 * Dynamically injects agent-specific system prompts based on the current
 * session context and orchestrator state.
 */
import type { EventHandlerContext, SystemTransformInput, SystemTransformOutput } from "./interfaces/index.js";
export type { SystemTransformInput, SystemTransformOutput } from "./interfaces/index.js";
/**
 * Create system transform handler for dynamic prompt injection
 */
export declare function createSystemTransformHandler(ctx: EventHandlerContext): (input: SystemTransformInput, output: SystemTransformOutput) => Promise<void>;
