/**
 * Shared OpenAI Chat Completions wire format (`choices[]`) — response/stream DTOs and parsing,
 * used by every provider speaking that shape (OpenRouter, Ollama/openai-compat). Request building
 * (headers, path, payload) stays per-provider.
 */
import type { ChatStreamPieceDto, ChatResponseDto, ProviderResponseDto, ProviderStreamEventDto } from '../protocol.js';
import { AIProvider } from '../aiProvider.js';
export interface ChatCompletionsMessageDto {
    content: string;
    reasoning?: string;
    reasoning_content?: string;
}
export interface ChatCompletionsChoiceDto {
    message?: ChatCompletionsMessageDto;
    text?: string;
}
export interface ChatCompletionsResponseDto extends ProviderResponseDto {
    choices: ChatCompletionsChoiceDto[];
    reasoning?: string;
}
export interface ChatCompletionsDeltaDto {
    content?: string;
    reasoning?: string;
    reasoning_content?: string;
}
export interface ChatCompletionsStreamChoiceDto {
    delta?: ChatCompletionsDeltaDto;
    message?: ChatCompletionsDeltaDto;
}
export interface ChatCompletionsStreamEventDto extends ProviderStreamEventDto {
    choices: ChatCompletionsStreamChoiceDto[];
}
export declare abstract class ChatCompletionsProvider extends AIProvider {
    parseNonStreamingResponse(json: ProviderResponseDto): ChatResponseDto;
    protected parseProviderStreamChunk(json: ProviderStreamEventDto): ChatStreamPieceDto | null;
    private hasChoices;
}
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