export interface EmbeddingServiceConfig {
    modelId?: string;
    dim?: number;
    onnxModelPath?: string;
    onnxVocabPath?: string;
    maxTokens?: number;
    onnxSession?: any;
    tokenizer?: {
        encode(text: string, maxTokens: number): {
            inputIds: number[];
            attentionMask: number[];
            tokenTypeIds: number[];
        };
    };
}
export interface EmbeddingResult {
    vector: number[];
    model: string;
    dim: number;
    runtime: 'onnx' | 'fallback-hash';
}
export declare class PersonaEmbeddingService {
    private readonly dim;
    private readonly modelId;
    private readonly onnxModelPath?;
    private readonly onnxVocabPath?;
    private readonly maxTokens;
    private onnxSession;
    private ort;
    private tokenizer;
    private initialized;
    constructor(config?: EmbeddingServiceConfig);
    embedText(text: string): Promise<EmbeddingResult>;
    private ensureInitialized;
    private resolveVocabPath;
    private makeIntTensor;
    private embedWithOnnx;
}
export declare function vectorToJson(vector: number[]): string;
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