/**
 * CBD Embedding Service
 * Supports multiple embedding models (OpenAI, local, custom)
 */
import { EmbeddingModel } from '../types/index.js';
export declare class OpenAIEmbeddingModel implements EmbeddingModel {
    readonly name = "openai";
    readonly dimensions = 1536;
    private apiKey;
    private modelName;
    constructor(apiKey: string, modelName?: string);
    generateEmbedding(text: string): Promise<Float32Array>;
    generateBatchEmbeddings(texts: string[]): Promise<Float32Array[]>;
}
export declare class LocalEmbeddingModel implements EmbeddingModel {
    readonly name = "local";
    readonly dimensions = 384;
    private pipeline;
    private modelName;
    private initialized;
    constructor(modelName?: string);
    initialize(): Promise<void>;
    generateEmbedding(text: string): Promise<Float32Array>;
    generateBatchEmbeddings(texts: string[]): Promise<Float32Array[]>;
}
export declare class EmbeddingService {
    private model;
    constructor(model: EmbeddingModel);
    generateEmbedding(text: string): Promise<Float32Array>;
    generateBatchEmbeddings(texts: string[]): Promise<Float32Array[]>;
    generateConversationEmbedding(userRequest: string, assistantResponse: string): Promise<Float32Array>;
    getDimensions(): number;
    getModelName(): string;
    static createFromConfig(config: {
        type: 'openai' | 'local' | 'custom';
        apiKey?: string;
        modelName?: string;
    }): EmbeddingService;
}
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