/**
 * @license
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Represents a 128-bit decimal type in Firestore documents.
 *
 * @class Decimal128Value
 */
export declare class Decimal128Value {
    readonly stringValue: string;
    private value;
    constructor(value: string);
    /**
     * Returns true if this `Decimal128Value` is equal to the provided one.
     *
     * @param other - The `Decimal128Value` to compare against.
     * @return 'true' if this `Decimal128Value` is equal to the provided one.
     */
    isEqual(other: Decimal128Value): boolean;
    /**
     * Returns a JSON-serializable representation of this `Decimal128Value` instance.
     *
     * @returns a JSON representation of this object.
     */
    toJSON(): object;
}