import type { ServerResponse } from 'node:http';
import type { Logger } from '../log/logger.js';
import type { CaptureBuffer } from './capture.js';
export interface StreamUsage {
    input_tokens: number;
    output_tokens: number;
    cache_read_input_tokens?: number;
    cache_creation_input_tokens?: number;
}
export declare function convertAnthropicStreamToOpenAI(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, signal?: AbortSignal): Promise<StreamUsage | null>;
export declare function convertOpenAIStreamToAnthropic(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, signal?: AbortSignal): Promise<StreamUsage | null>;
export declare function convertOpenAIResponsesStreamToAnthropic(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, signal?: AbortSignal, originalTools?: unknown[]): Promise<StreamUsage | null>;
export declare function convertAnthropicStreamToOpenAIResponses(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, originalTools?: unknown[], signal?: AbortSignal): Promise<StreamUsage | null>;
export declare function convertOpenAIStreamToOpenAIResponses(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, originalTools?: unknown[], signal?: AbortSignal): Promise<StreamUsage | null>;
export declare function convertOpenAIResponsesStreamToOpenAI(reader: ReadableStreamDefaultReader<Uint8Array>, res: ServerResponse, logger?: Logger, capture?: CaptureBuffer, pairId?: number, signal?: AbortSignal): Promise<StreamUsage | null>;
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