/**
 * Embedding type definitions
 *
 * Supports Cloudflare Workers AI embedding models:
 * - @cf/baai/bge-m3 (recommended): 1024 dims, 8192+ tokens, $0.012/M
 * - @cf/baai/bge-large-en-v1.5: 1024 dims, 512 tokens, $0.20/M
 * - @cf/baai/bge-base-en-v1.5: 768 dims, 512 tokens, $0.067/M
 * - @cf/baai/bge-small-en-v1.5: 384 dims, 512 tokens
 */
/**
 * Known embedding model dimensions
 */
export declare const MODEL_DIMENSIONS: Record<string, number>;
/**
 * Get embedding dimensions for a model
 * @param model - Model identifier
 * @returns Dimensions or undefined if unknown
 */
export declare function getModelDimensions(model: string): number | undefined;
export interface EmbeddingOptions {
    /** Cloudflare account ID */
    accountId: string;
    /** Cloudflare API token */
    apiToken: string;
    /** Embedding model name (default: @cf/baai/bge-m3) */
    model?: string;
    /** Expected embedding dimensions for validation (default: auto-detected from model) */
    dimensions?: number;
    /** Batch size for requests (default: 50) */
    batchSize?: number;
    /** Whether to truncate inputs that exceed model's max length (default: true) */
    truncateInputs?: boolean;
    /** Show verbose output */
    verbose?: boolean;
}
export interface EmbeddingResult {
    /** Embedding vectors */
    embeddings: number[][];
    /** Number of embeddings generated */
    count: number;
    /** Dimensions of each embedding vector */
    dimensions: number;
}
/**
 * Types of embedding validation errors
 */
export type EmbeddingValidationErrorType = 'count_mismatch' | 'dimension_mismatch' | 'empty_embedding' | 'invalid_response';
/**
 * Embedding validation error details
 */
export interface EmbeddingValidationError {
    /** Type of validation error */
    type: EmbeddingValidationErrorType;
    /** Expected value (for mismatch errors) */
    expected?: number;
    /** Actual value (for mismatch errors) */
    actual?: number;
    /** Human-readable error message */
    message: string;
}
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