A comprehensive design token system enabling runtime theme customization through CSS custom properties. Includes DesignToken.razor component for typed token values, DesignTokenHelpers for working with tokens, Swatch for color manipulation, and Reference<T> for tracking token usage. Well-encapsulated and could be extracted for theming in other Blazor applications.

A self-contained debouncing utility implementation providing both action-based and task-based debouncing patterns. No external dependencies beyond core .NET, making it easily extractable to any .NET project. Demonstrates thoughtful implementation with proper handling of cancellation and thread safety.

Implementation of the provider pattern for toast notifications consisting of FluentToastProvider component, IToastService interface, and ToastService implementation. Manages toast state via cascading values and provides show/update/close operations. Clean separation of concerns that could be adapted for other service needs in Blazor applications.

A helper class for loading and interacting with ES6 JavaScript modules from Blazor. Properly handles module lifecycle, disposes references, and provides strongly-typed interop. Encapsulates JS interop concerns in a reusable pattern that could be adapted for other JS integration scenarios.

Clean abstraction for data loading in the DataGrid component consisting of GridItemsProvider delegate, GridItemsProviderRequest, and GridItemsProviderResult. Separates data access concerns from UI presentation, allowing the DataGrid to work with any data source (local, remote, virtualized). Demonstrates good separation of concerns in data-intensive components.