ItsRezaMosavi 

Result pattern implementation for handling operation outcomes and errors

Core domain abstractions including entities, value objects, aggregates, and domain events

Specification pattern implementation for building reusable query specifications

Application layer abstractions including CQRS, commands, queries, and handlers

Pagination abstractions and implementations for paged lists and queries

Persistence abstractions including generic repositories, specifications, and database contexts

Validation abstractions and implementations using FluentValidation

Infrastructure implementations including repositories, unit of work, and external service integrations

Complete Building Blocks library for modern .NET applications