/// <summary>
        /// Sets searcher window size and left-right ratio for <see cref="sizeName"/>, if it is not already set.
        /// </summary>
        /// <param name="state">The state that contains size information.</param>
        /// <param name="sizeName">A string for the usage of the searcher. Passing null for the usage will define the default for any searcher window.</param>
        /// <param name="size">The size of the window.</param>
        /// <param name="rightLeftRatio">The ratio between the left size and the right size (details) of the searcher.</param>
        public static void SetInitialSearcherSize(this GraphToolState state, string sizeName, Vector2 size, float rightLeftRatio = 1.0f)
        {
            sizeName ??= "";

            var sizes = state.GetSizes();

            if (!sizes.TryGetValue(sizeName, out _))
            {
                sizes[sizeName] = new SearcherSize {
                    Size = size, RightLeftRatio = rightLeftRatio
                };
                state.SaveSizes(sizes);
            }
        }
        /// <summary>
        /// Sets default searcher window size and left-right ratio for <see cref="sizeName"/>.
        /// </summary>
        /// <param name="state">The state that contains size information.</param>
        /// <param name="sizeName">A string for the usage of the searcher. Passing null for the usage will define the default for any searcher window.</param>
        /// <param name="size">The size of the window.</param>
        /// <param name="rightLeftRatio">The ratio between the left size and the right size (details) of the searcher.</param>
        public static void SetSearcherSize(this GraphToolState state, string sizeName, Vector2 size, float rightLeftRatio = 1.0f)
        {
            sizeName ??= "";

            var sizes = state.GetSizes();

            if (sizes.TryGetValue(sizeName, out var currentSize))
            {
                if (currentSize.Size == size && currentSize.RightLeftRatio == rightLeftRatio)
                {
                    return;
                }
            }

            sizes[sizeName] = new SearcherSize {
                Size = size, RightLeftRatio = rightLeftRatio
            };;
            state.SaveSizes(sizes);
        }