import { Rule, RuleSet, QueryBuilderConfig, OperatorDefinition, RuleDefinition } from './types';
export declare function isRule(param: any): param is Rule;
export declare function isRuleSet(param: any): param is RuleSet;
export declare function isOperatorDefinition(param: any): param is OperatorDefinition;
export declare function isRuleDefinition(param: any): param is RuleDefinition;
export declare function isQueryBuilderConfig(param: any): param is QueryBuilderConfig;