// <copyright file="ICapabilities.cs" company="Selenium Committers">
// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you 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
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// </copyright>

using System;

#nullable enable

namespace OpenQA.Selenium
{
    /// <summary>
    /// Capabilities of the browser that you are going to use
    /// </summary>
    public interface ICapabilities
    {
        /// <summary>
        /// Gets the capability value with the specified name.
        /// </summary>
        /// <param name="capabilityName">The name of the capability to get.</param>
        /// <returns>The value of the capability.</returns>
        /// <exception cref="ArgumentException">
        /// The specified capability name is not in the set of capabilities.
        /// </exception>
        object this[string capabilityName] { get; }

        /// <summary>
        /// Gets a value indicating whether the browser has a given capability.
        /// </summary>
        /// <param name="capability">The capability to get.</param>
        /// <returns>Returns <see langword="true"/> if the browser has the capability; otherwise, <see langword="false"/>.</returns>
        bool HasCapability(string capability);

        /// <summary>
        /// Gets a capability of the browser.
        /// </summary>
        /// <param name="capability">The capability to get.</param>
        /// <returns>An object associated with the capability, or <see langword="null"/>
        /// if the capability is not set on the browser.</returns>
        object? GetCapability(string capability);
    }
}
