/**
 * OpenAI provider implementation
 *
 * HTTP Agent Pooling Status: ✅ IMPLEMENTED
 * Implementation: HttpsAgent with keepAlive: true, configured via httpAgent option
 * Benefits: Connection reuse, reduced latency, improved performance
 *
 * Self-registers with the LLM Provider Registry using dependency inversion pattern
 */
import type { BatchableProvider } from '../../batch/batch-provider.interface.js';
import type { BatchRequest, BatchResult, BatchStatusInfo, BatchSubmission } from '../../batch/batch.types.js';
import type { LLMCompletionOptions, LLMCompletionResult } from '../../types/llm.types.js';
import { BaseLLMProvider } from '../provider.interface.js';
export declare class OpenAIProvider extends BaseLLMProvider implements BatchableProvider {
    name: import("../../config/providers.config.js").ProviderName;
    private client;
    complete(options: LLMCompletionOptions): Promise<LLMCompletionResult>;
    getAlternativeModels(currentModel?: string): string[];
    isConfigured(): boolean;
    streamComplete(options: LLMCompletionOptions, onChunk: (chunk: string) => void): Promise<LLMCompletionResult>;
    /**
     * Process streaming response chunks into a completion result.
     */
    validateModel(modelName: string): Promise<boolean>;
    private processStream;
    /**
     * Extract usage metrics from OpenAI response, including automatic cache metrics.
     * OpenAI returns cached token counts in prompt_tokens_details.cached_tokens.
     */
    private extractUsage;
    private getClient;
    /**
     * Resolve `temperature`/`top_p` to send, or `undefined` to omit them entirely.
     * Reasoning-controlled models (see REASONING_CONTROLLED_MODELS) reject both as
     * unsupported parameters.
     */
    private resolveSamplingParams;
    cancelBatch(batchId: string): Promise<void>;
    getBatchResults(batchId: string): Promise<BatchResult[]>;
    getBatchStatus(batchId: string): Promise<BatchStatusInfo>;
    submitBatch(requests: BatchRequest[]): Promise<BatchSubmission>;
    supportsBatch(): true;
}
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