/**
 * NVIDIA NIM Provider
 * Implementation for NVIDIA NIM inference models (OpenAI-compatible API)
 */
import type { LLMRequest, LLMResponse, NvidiaConfig, ModelCapabilities, ProviderBalance } from '../types.js';
import { BaseProvider } from './base.js';
export declare class NvidiaProvider extends BaseProvider {
    name: string;
    models: string[];
    supportsStreaming: boolean;
    supportsTools: boolean;
    supportsBatching: boolean;
    supportsVision: boolean;
    private apiKey;
    private baseUrl;
    constructor(config: NvidiaConfig);
    generateResponse(request: LLMRequest): Promise<LLMResponse>;
    validateConfig(): boolean;
    getModels(): string[];
    estimateCost(request: LLMRequest): number;
    healthCheck(): Promise<boolean>;
    getProviderBalance(): Promise<ProviderBalance>;
    protected getModelCapabilities(): Record<string, ModelCapabilities>;
    streamResponse(request: LLMRequest): Promise<ReadableStream<string>>;
    private makeNvidiaRequest;
    private formatRequest;
    private formatResponse;
    private getDefaultModel;
}
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