import { Param } from '../param';
import { Uid } from '../uid';
import { Ref } from '../ref';
export declare type Subject = string;
export declare type OpValue = Param | Ref | Uid | RegExp | Date | string | number | boolean;
export declare type OpArg = Param | string | number | boolean;
export interface OperatorArgs {
    name: string;
    subject?: Subject;
    value?: OpValue | OpValue[];
    arg?: OpArg;
}
export interface Operator extends OperatorArgs {
}
export declare class Operator {
    constructor(args: OperatorArgs);
    params(): Param[];
    parseValue(value: any): any;
    toString(): string;
}