import { AIProviderConfig, HealthStatus, ModelInfo, CostEstimate, ValidationResult } from './types';
import { CompletionRequest, EmbeddingRequest } from './types/request-types';
import { CompletionResponse, StreamChunk, EmbeddingResponse, ModerationResponse } from './types/response-types';
import { AIProviderError } from './types/error-types';
/**
 * Abstract AI Provider Interface
 * All provider implementations (OpenAI, Anthropic, etc.) must implement this interface
 */
export declare abstract class AIProvider {
    protected config: AIProviderConfig;
    constructor(config: AIProviderConfig);
    /**
     * Generate text completion
     */
    abstract complete(request: CompletionRequest): Promise<CompletionResponse>;
    /**
     * Generate streaming text completion
     */
    abstract streamComplete(request: CompletionRequest): AsyncGenerator<StreamChunk, void, unknown>;
    /**
     * Generate embeddings for text
     */
    abstract generateEmbeddings(request: EmbeddingRequest): Promise<EmbeddingResponse>;
    /**
     * Check content moderation
     */
    abstract moderate(content: string): Promise<ModerationResponse>;
    /**
     * Get available models
     */
    abstract getAvailableModels(): Promise<ModelInfo[]>;
    /**
     * Check provider health
     */
    abstract checkHealth(): Promise<HealthStatus>;
    /**
     * Get provider name
     */
    getProviderName(): string;
    /**
     * Get provider version
     */
    getProviderVersion(): string;
    /**
     * Check if provider is available
     */
    isAvailable(): Promise<boolean>;
    /**
     * Estimate token count (override for provider-specific logic)
     */
    estimateTokens(text: string): number;
    /**
     * Estimate cost (override for provider-specific pricing)
     */
    estimateCost(request: CompletionRequest): CostEstimate;
    /**
     * Validate request before sending
     */
    protected validateRequest(request: CompletionRequest): ValidationResult;
    /**
     * Handle provider errors consistently
     */
    protected handleError(error: unknown): AIProviderError;
}
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