/**
 * Agent streaming handlers for OpenAI and Anthropic protocols.
 *
 * Parses SSE streams and accumulates tool calls from deltas.
 */
import { ToolCall } from './tools';
export interface AgentChatResponse {
    content: string;
    toolCalls: ToolCall[];
    usedNativeTools: boolean;
}
/**
 * Handle streaming response (text-based fallback, no native tools)
 */
export declare function handleStream(body: ReadableStream<Uint8Array>, protocol: string, onChunk: (chunk: string) => void): Promise<string>;
/**
 * Handle OpenAI streaming response with tool call accumulation
 */
export declare function handleOpenAIAgentStream(body: ReadableStream<Uint8Array>, onChunk: (chunk: string) => void, model: string, providerId: string): Promise<AgentChatResponse>;
/**
 * Handle Anthropic streaming response with tool call accumulation
 */
export declare function handleAnthropicAgentStream(body: ReadableStream<Uint8Array>, onChunk: (chunk: string) => void, model: string, providerId: string): Promise<AgentChatResponse>;