/**
 * Cloudflare AI Provider
 * Implementation for Cloudflare Workers AI with cost optimization
 */
import type { LLMRequest, LLMResponse, CloudflareConfig, ModelCapabilities } from '../types.js';
import { BaseProvider } from './base.js';
export declare class CloudflareProvider extends BaseProvider {
    name: string;
    models: string[];
    supportsStreaming: boolean;
    supportsTools: boolean;
    supportsBatching: boolean;
    supportsVision: boolean;
    private ai;
    private accountId?;
    private gateway?;
    constructor(config: CloudflareConfig);
    generateResponse(request: LLMRequest): Promise<LLMResponse>;
    validateConfig(): boolean;
    getModels(): string[];
    estimateCost(request: LLMRequest): number;
    healthCheck(): Promise<boolean>;
    protected getModelCapabilities(): Record<string, ModelCapabilities>;
    private runLlamaVisionRaw;
    private runModel;
    private buildRunOptions;
    private buildGatewayOptions;
    private formatRequest;
    private formatAnthropicViaCloudflareRequest;
    private attachImagesToLastUserMessage;
    private buildImageDataUrl;
    private formatResponse;
    private extractResponseContent;
    private extractText;
    private extractToolCalls;
    private extractCacheObservability;
    private extractAIGatewayCacheStatus;
    private extractUsage;
    private extractCachedInputTokens;
    private extractFinishReason;
    private stringifyArguments;
    private unwrapResult;
    private wrapCFError;
    /**
     * Stream response support
     */
    streamResponse(request: LLMRequest): Promise<ReadableStream<string>>;
    /**
     * Batch processing support
     */
    processBatch(requests: LLMRequest[]): Promise<LLMResponse[]>;
    /**
     * Get recommended model for cost optimization
     */
    getRecommendedModel(request: LLMRequest): string;
    /**
     * Cost optimization features
     */
    generateWithCostOptimization(request: LLMRequest): Promise<LLMResponse>;
}
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