import { FunctionLoader } from '../functions/function-loader';
import { JSONataInput, TransformationContext, TransformationEvaluator } from '../interfaces';
/**
 * Evaluate JSONata expressions
 */
export declare class JSONataEvaluator implements TransformationEvaluator<JSONataInput> {
    private functionLoader;
    constructor(functionLoader?: FunctionLoader);
    /**
     * Evaluate a JSONata expression
     * @param context The evaluation context
     *
     * @throws {EvaluationError} JSONata expression evaluation failed.
     */
    evaluate(context: TransformationContext<JSONataInput>): Promise<unknown>;
}