import type { Message, AgentResult } from "./types.js";
export interface RPCRequest {
    agentId: string;
    messages: Message[];
    context?: Record<string, unknown>;
}
export type RPCEventType = "delta" | "tool_start" | "tool_end" | "thinking" | "error" | "done";
export interface RPCEvent {
    type: RPCEventType;
    data: unknown;
}
export interface DeltaEvent {
    type: "delta";
    data: {
        content: string;
    };
}
export interface ToolStartEvent {
    type: "tool_start";
    data: {
        id: string;
        name: string;
        arguments: string;
    };
}
export interface ToolEndEvent {
    type: "tool_end";
    data: {
        id: string;
        result: unknown;
    };
}
export interface ThinkingEvent {
    type: "thinking";
    data: {
        content: string;
    };
}
export interface ErrorEvent {
    type: "error";
    data: {
        message: string;
        code?: string;
    };
}
export interface DoneEvent {
    type: "done";
    data: {
        result: AgentResult;
        usage?: {
            promptTokens: number;
            completionTokens: number;
        };
    };
}
export type TypedRPCEvent = DeltaEvent | ToolStartEvent | ToolEndEvent | ThinkingEvent | ErrorEvent | DoneEvent;
export declare function encodeSSE(event: TypedRPCEvent): string;
export declare function parseSSE(line: string): TypedRPCEvent | null;
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