/**
 * JSON Logic expression evaluation
 */
import type { NodeExecutionRecord } from "../types/execution.js";
/**
 * Evaluate a JSON Logic rule with the given context data
 * @param rule - JSON Logic rule (can be any valid JSON Logic structure)
 * @param context - Context data object to evaluate the rule against
 * @param history - Execution history for history functions
 * @param currentIndex - Current execution index for history functions
 * @returns Boolean result of the rule evaluation
 */
export declare function evaluateJsonLogic(rule: unknown, context: Record<string, unknown>, history: NodeExecutionRecord[], currentIndex: number): Promise<boolean>;
/**
 * Validate JSON Logic rule syntax without evaluating it
 * Validates rule structure and any JSONata expressions in var operations
 * @param rule - JSON Logic rule to validate
 * @throws Error if syntax is invalid
 */
export declare function validateJsonLogicSyntax(rule: unknown): void;
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