/**
 * Embedding 模型信息
 */
export interface EmbeddingModelInfo {
    id: string;
    dimension: number;
    maxTokens?: number;
    maxBatchSize?: number;
}
/**
 * 供应商信息
 */
export interface ProviderInfo {
    id: string;
    name: string;
    baseUrl: string;
    proxyUrl?: string;
    aliases?: string[];
    defaultEmbeddingModel?: string;
    embeddingModels: EmbeddingModelInfo[];
}
/**
 * 供应商注册表抽象基类
 */
export declare abstract class ProviderRegistry {
    abstract listProviders(): Promise<ProviderInfo[]>;
    abstract getProvider(providerId: string): Promise<ProviderInfo | null>;
    abstract getEmbeddingModel(providerId: string, modelId: string): Promise<EmbeddingModelInfo | null>;
    abstract getModelDimension(providerId: string, modelId: string): Promise<number | null>;
}