export declare const Pipe: {
    create: (expr1: any, expr2: any) => {
        type: string;
        expr1: any;
        expr2: any;
    };
    evaluate: (ctx: any, entry: any) => any;
};
export declare const Operator: {
    create: (operator: any, expr1: any, expr2: any) => {
        type: string;
        operator: any;
        expr1: any;
        expr2: any;
    };
    evaluate: (ctx: any, entry: any) => false | 0 | 1;
};
export declare const MathOp: {
    create: (operator: any, expr1: any, expr2: any) => {
        type: string;
        operator: any;
        expr1: any;
        expr2: any;
    };
    evaluate: (ctx: any, entry: any) => number | false;
};