import type { APIAdapter, NormalizedRequest, NormalizedStreamChunk } from './types.js';
export declare class AnthropicAdapter implements APIAdapter {
    private baseUrl;
    private getHeaders;
    private isOAuth;
    private currentReader;
    private contentBlocks;
    /** Chunk de uso de suscripción pendiente de emitir en el primer tick del stream. */
    private pendingSubscription;
    constructor(proxyPort: number | null, getHeaders: () => Promise<Record<string, string>>, isOAuth?: () => boolean);
    sendRequest(req: NormalizedRequest): Promise<void>;
    receiveStream(): AsyncIterable<NormalizedStreamChunk>;
    private processEvent;
    sendToolResult(_toolUseId: string, _result: string): Promise<void>;
    close(): void;
}
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