import { ParserRuleContext } from 'antlr4ts/ParserRuleContext';
import { Position } from '../common/types';
export declare const isPredicateOperand: (ruleStack: number[]) => boolean;
export declare const getPositionFromParserRule: (ctx: ParserRuleContext) => Position;
export declare const normalizeText: (text: string) => string;
export declare const isOperator: (maybeOperator: string) => boolean;