import { Value } from "./Value.js";
import { Comparable } from "./Comparable.js";
import { ExprType } from "../type/ExprType.js";
export declare class StringValue implements Value<string>, Comparable<StringValue> {
    private readonly stringValue;
    private static collator;
    constructor(value: string);
    static of(value: string): StringValue;
    getValue(): string;
    toString(): string;
    equals(other: Value<any>): boolean;
    compareTo(other: StringValue): number;
    getType(): ExprType;
    static isStringValueType(arg: any): arg is StringValueType;
}
export type StringValueType = {
    stringValue: string;
};