import { OAuthTokenStorage } from '../oauth/store';
/**
 * Lấy access token còn hạn. Nếu sắp expire → refresh + save lại.
 */
export declare function getValidClaudeToken(account?: string): Promise<OAuthTokenStorage>;
export interface ClaudeRequestInput {
    /** Path đầy đủ, vd `/v1/messages`. */
    path: string;
    method?: 'GET' | 'POST' | 'PUT' | 'PATCH' | 'DELETE';
    body?: unknown;
    headers?: Record<string, string>;
    account?: string;
    stream?: boolean;
}
export interface ClaudeResponse {
    status: number;
    headers: Record<string, string>;
    body: unknown;
    errorType?: string;
    account: string;
}
/**
 * Non-streaming: gom toàn bộ response, parse JSON. Dùng cho `/v1/messages`
 * không stream và các endpoint metadata.
 */
export declare function callClaude(input: ClaudeRequestInput): Promise<ClaudeResponse>;
/**
 * Streaming: trả async iterable yield SSE event text chunks. Caller chịu trách
 * nhiệm forward lên TOOL_STREAM event.
 */
export declare function streamClaude(input: ClaudeRequestInput): AsyncGenerator<{
    chunk: string;
}, {
    status: number;
    account: string;
}, void>;