import { ChunkingOptions } from "./ChunkingOptions.js";
/**
 * The name of the function that must be called in transformation scripts to generate embeddings.
 */
export declare const GENERATE_EMBEDDINGS_FUNCTION_NAME = "embeddings.generate";
/**
 * Configuration for a custom transformation script that generates embeddings.
 */
export interface EmbeddingsTransformation {
    /**
     * JavaScript transformation script.
     * Must call embeddings.generate() function.
     */
    script: string;
    /**
     * Chunking configuration for the transformation output.
     */
    chunkingOptions: ChunkingOptions;
}
/**
 * Validates an embeddings transformation and returns an array of error messages.
 * @param transformation The transformation to validate
 * @returns Array of validation error messages, empty if valid
 */
export declare function validateEmbeddingsTransformation(transformation: EmbeddingsTransformation): string[];
/**
 * Compares two EmbeddingsTransformation objects for equality.
 * @param left First transformation to compare
 * @param right Second transformation to compare
 * @returns true if both are equal or both are null/undefined, false otherwise
 */
export declare function areEmbeddingsTransformationsEqual(left: EmbeddingsTransformation | null | undefined, right: EmbeddingsTransformation | null | undefined): boolean;
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