import { Message, SystemContent, Tool, ToolChoice, MessagesResponse } from './types.js';
import { Logger } from './logger.js';
import { ChatCompletion } from 'openai/resources/chat/completions';
import type { ChatCompletionMessageParam, ChatCompletionTool, ChatCompletionToolChoiceOption } from 'openai/resources/chat/completions';
export declare function selectTargetModel(clientModelName: string, bigModelName: string, smallModelName: string, logger: Logger, requestId: string): string;
export declare function convertAnthropicToOpenAIMessages(anthropicMessages: Message[], anthropicSystem?: string | SystemContent[], logger?: Logger, requestId?: string): ChatCompletionMessageParam[];
export declare function convertAnthropicToolsToOpenAI(anthropicTools?: Tool[]): ChatCompletionTool[] | undefined;
export declare function convertAnthropicToolChoiceToOpenAI(anthropicChoice?: ToolChoice, logger?: Logger, requestId?: string): ChatCompletionToolChoiceOption | undefined;
export declare function convertOpenAIToAnthropicResponse(openaiResponse: ChatCompletion, originalAnthropicModelName: string, logger?: Logger, requestId?: string): MessagesResponse;
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