import type { Message, AgentResult, ToolCall } from "../shared/types.js";
export interface PluginContext {
    agentId: string;
    sessionId?: string;
    metadata?: Record<string, unknown>;
}
export interface PluginHooks {
    beforeRequest?: (messages: Message[], ctx: PluginContext) => Promise<Message[]> | Message[];
    afterResponse?: (result: AgentResult, ctx: PluginContext) => Promise<AgentResult> | AgentResult;
    onToolCall?: (tool: ToolCall, ctx: PluginContext) => Promise<void> | void;
    onError?: (error: Error, ctx: PluginContext) => Promise<void> | void;
}
export interface AgentPlugin {
    name: string;
    version?: string;
    setup?: (ctx: PluginContext) => Promise<void> | void;
    hooks?: PluginHooks;
}
export declare function definePlugin(plugin: AgentPlugin): AgentPlugin;
export declare function runPluginHook<K extends keyof PluginHooks>(plugins: AgentPlugin[], hook: K, ctx: PluginContext, ...args: Parameters<NonNullable<PluginHooks[K]>>): Promise<ReturnType<NonNullable<PluginHooks[K]>> | undefined>;
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