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Taras K., Delphi Developer

Last Job: 24 Jul 2024

- Software Engineer with over two decades of experience, specializing in system design, and system integration (System Design, Technical Leadership, System Integration, Scalability, Security, Communication, Documentation) - More than 20+ years of experience with Delphi, Deep knowledge with different versions of Delphi to 10.2; - Experience with various localisations and Delphi UIs; - Expert in various programming languages including C++, JavaScript, and Python; - Experienced in database management with Oracle, MySQL, and PostgreSQL among others (Data Modeling Database Management, Normalization and Denormalization, Data Integrity, Data Warehousing, ETL, SQL and Query Optimization, Database Design, Stored Routines and Packages, Data Backup and Recovery, Data Migration, Web Scraping). - A record of technical leadership in various domains such as enterprise software, finance, and healthcare.

Delphi

Delphi   20 yr.

C++

C++

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Andrii, Delphi Developer

Last Job: 25 Sep 2023

As an expert in hardware and embedded development, I bring extensive practical knowledge of C and C++ technologies. With significant experience in smart-city devices such as electronic ticketing machines, bus driver devices, and more, as well as in sensors, microcontrollers, and antenna and radio telescope control systems, I have a strong foundation in cutting-edge technology.In addition to my technical expertise, I have over 15 years of teaching experience at a local technical university, where I have developed the ability to explain complex concepts in easy-to-understand terms, enhancing my mentoring, communication, and team cooperation skills.

Delphi

Delphi   8 yr.

C

C   10 yr.

C++

C++   5 yr.

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Serhii R., Delphi Developer

Last Job: 29 Aug 2024

- Сertified Azure DevOps Engineer with more than 20 years of experience in software and database development (С# and VB.NET) - 5+ years of experience in managing distributed development teams. I have participated in more than 15 projects, mostly of middle and large size, and have been involved in all stages of the release cycle, including analysis, design, coding, deployment, development and testing. I am versed in supporting new applications and developing new features for existing complex applications. - Skilled in refactoring, migration, and performance optimization, as well as in extending the functionality and maintaining the existing features. - Open-minded and goal-oriented team player with strong interpersonal and communicational skills. - Can learn quickly under tough deadlines. - Constantly looking for opportunities to improve my skills and knowledge in system design and algorithms.Industries: Logistics and transportation, banking and finance, information technology and services, professional services, computer software.

Delphi

Delphi

Azure (Microsoft Azure)

Azure (Microsoft Azure)

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Dmytro P, Delphi Developer

Last Job: 9 Aug 2023

- 15+ years experienced and result-oriented software engineer with strong technical, analytical, and mentoring skills. - Having wide expertise in computer science working with different technologies including front and back-end side (mostly Java, Java Script), Key person in leading development of products from scratch throughout the project life cycle. - Excellent problem-solver able to take responsibility for project delivery on time. Successful in solving complex challenging tasks. - Fluent English.

Delphi

Delphi

Java

Java

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Serhii B., Delphi Developer

Last Job: 4 Jul 2023

- A software engineer with 10+ years of experience in the IT industry who builds background services and APIs that are reliable and robust. - Skilled in C#, .NET Core, Apache Kafka, PostgreSQL, Docker, and Kubernetes, and know how the Windows operating system works internally. - Has worked with high-load microservices for the last 3 years and has experience building backend orchestrators. - Has experience working in both startup and corporate environments. - Has expertise in designing features, working closely with solution architects, and leading teams to improve the maintainability, scalability, and reliability of projects. - Upper-Intermediate English.

Delphi

Delphi

.NET

.NET

C#

C#

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All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

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Table of Contents

Pros & cons of Delphi

Pros & cons

6 Pros of Delphi

  • Efficient and Fast Development: Delphi offers a robust and efficient development environment, making it possible to create high-performance applications quickly and easily.
  • Strong Language and Library Support: Delphi uses the Object Pascal language, which provides a powerful and flexible programming environment. Additionally, it has a vast library of components and frameworks that can be leveraged to expedite development.
  • Multi-platform Development: With Delphi, developers can create applications for multiple platforms, including Windows, macOS, iOS, Android, and Linux. This cross-platform capability allows for wider reach and potential for market penetration.
  • Easy Integration with Databases: Delphi has excellent support for database integration, making it a preferred choice for database-driven applications. It offers seamless connectivity to various databases, including Oracle, MySQL, and Microsoft SQL Server.
  • Active Developer Community: Delphi has a dedicated and active developer community that provides support, shares knowledge, and contributes to the development of new tools and components. This vibrant community ensures that developers have access to resources and assistance when needed.
  • Legacy Code Migration: Delphi provides tools and features that facilitate the migration of legacy applications to newer versions, allowing businesses to modernize their software systems without starting from scratch.

6 Cons of Delphi

  • Less Popularity: While Delphi has a loyal user base, it is not as popular as some other programming languages and frameworks. This can sometimes result in limited availability of resources, tutorials, and third-party libraries.
  • Cost: Delphi is a commercial product, and its licensing fees can be relatively high compared to open-source alternatives. This may pose a challenge for individual developers or small businesses with limited budgets.
  • Limited Mobile Development Options: Although Delphi supports mobile development, its mobile capabilities are not as extensive as some dedicated mobile development frameworks. This may be a drawback for developers focusing primarily on mobile app development.
  • Steep Learning Curve: Delphi’s Object Pascal language may have a steeper learning curve for developers who are not familiar with its syntax and concepts. This can potentially slow down the initial development process.
  • Dependency on Embarcadero: Delphi is developed and maintained by Embarcadero Technologies. This means that the future development and updates of Delphi are dependent on the decisions and strategies of the company, which may introduce uncertainties.
  • Limited Community Support for Niche Domains: While Delphi has strong support for general-purpose development, it may have limited community support and resources for niche domains or specific industries. Developers working in specialized fields may face challenges in finding relevant solutions or assistance.

 

Cases when Delphi does not work

Does not work
  1. Unsupported Platforms: Delphi is primarily designed for Windows development, and it may not be suitable for projects targeting other platforms such as macOS or Linux. While there are third-party solutions available to support cross-platform development, the native support for non-Windows platforms in Delphi is limited.
  2. Large-scale Web Development: Delphi is a powerful tool for desktop and client-server applications, but it may not be the ideal choice for large-scale web development projects. While Delphi does have web development capabilities, it may lack some of the features and extensive frameworks provided by dedicated web development platforms like PHP, Java, or JavaScript-based frameworks.
  3. Complex UI Design: Although Delphi offers a drag-and-drop visual designer for creating user interfaces, it may not be the best option for complex UI designs that require extensive customization and flexibility. Delphi’s UI design capabilities are more suitable for traditional Windows desktop applications rather than modern, highly interactive and visually rich applications.
  4. Limited Open-source Community: Delphi has a smaller open-source community compared to other programming languages and frameworks. This can sometimes limit the availability of open-source libraries, tools, and resources. While Delphi does have a rich ecosystem of commercial components and libraries, the reliance on proprietary solutions may not be ideal for developers who prefer open-source alternatives.
  5. Learning Curve: Delphi has its own unique language called Object Pascal, which may have a learning curve for developers who are not familiar with this language or its syntax. This can make it more challenging for developers transitioning from other programming languages to quickly adopt and become proficient in Delphi.

 

How and where is Delphi used?

How and where

 

Case NameCase Description
Case 1: Automotive IndustryDelphi Development is widely used in the automotive industry for developing software applications for vehicles. It allows automakers to create advanced features such as infotainment systems, navigation systems, driver assistance systems, and engine management systems. Delphi’s robust framework and extensive library of components make it an ideal choice for building reliable and high-performance automotive software.
Case 2: Financial ServicesIn the financial services sector, Delphi Development is utilized for building trading platforms, risk management systems, banking applications, and payment gateways. Its flexibility and scalability enable developers to create secure and efficient software solutions that handle large volumes of transactions and data. Delphi’s support for multi-tier architecture and integration with various databases make it a preferred choice for financial institutions.
Case 3: HealthcareDelphi Development finds applications in the healthcare industry for developing electronic medical record (EMR) systems, hospital management software, medical imaging applications, and telemedicine platforms. Its ability to handle complex data structures, integration with medical devices, and compliance with industry regulations make it a trusted tool for healthcare software development.
Case 4: GamingDelphi Development is used in the gaming industry to create desktop and mobile games. Its powerful graphics rendering capabilities, support for various game engines, and cross-platform compatibility make it a popular choice among game developers. Delphi’s integrated development environment (IDE) provides a seamless workflow for designing, coding, and testing games.
Case 5: ManufacturingManufacturing companies leverage Delphi Development for building production management systems, quality control applications, supply chain management software, and inventory tracking systems. Its modular architecture allows developers to create customized solutions that streamline manufacturing processes, optimize efficiency, and enhance productivity.
Case 6: EducationDelphi Development is employed in the education sector for creating e-learning platforms, educational software, student information systems, and online assessment tools. Its user-friendly interface design tools, seamless database integration, and support for multimedia content make it an excellent choice for building interactive and engaging educational applications.
Case 7: Logistics and TransportationDelphi Development is utilized in logistics and transportation for developing fleet management systems, route optimization software, tracking applications, and logistics planning tools. Its real-time data processing capabilities, integration with GPS technologies, and support for mobile platforms enable companies to effectively manage their logistics operations and improve overall efficiency.
Case 8: Enterprise SoftwareEnterprises rely on Delphi Development for creating custom business applications, enterprise resource planning (ERP) systems, customer relationship management (CRM) software, and human resource management solutions. Delphi’s extensive component library, database connectivity options, and support for multi-tier architecture make it a suitable choice for developing robust and scalable enterprise software.

 

TOP 11 Tech facts and history of creation and versions about Delphi Development

Facts and history
  • Delphi is a rapid application development (RAD) methodology that originated in the late 1980s.
  • It was created by Borland Software Corporation, later known as CodeGear and Embarcadero Technologies.
  • The first version of Delphi, known as Delphi 1, was released in 1995.
  • Delphi introduced the concept of visual development, allowing developers to design their user interfaces using a drag-and-drop approach.
  • Delphi was one of the first development environments to support object-oriented programming (OOP) with its Pascal-based language.
  • In 1997, Borland released Delphi 3, which introduced component-based development and the Visual Component Library (VCL).
  • With Delphi 5, released in 1999, Borland added support for web development using the IntraWeb framework.
  • Delphi 7, released in 2002, introduced support for the .NET framework, allowing developers to build applications targeting both Win32 and .NET platforms.
  • Embarcadero Technologies acquired Delphi in 2008 and has continued to release new versions, including Delphi XE, Delphi 10 Seattle, and Delphi 10.4 Sydney.
  • Delphi remains a popular choice for Windows development due to its ease of use, extensive library of components, and its ability to compile high-performance native executables.
  • Delphi has been used to develop a wide range of applications, including desktop software, database applications, mobile apps, and even games.

 

Soft skills of a Delphi Developer

Soft skills

Soft skills are essential for a Delphi Developer to excel in their role. These skills go beyond technical expertise and contribute to effective communication, collaboration, and problem-solving abilities. Here are the soft skills required at different levels of experience:

Junior

  • Attention to detail: Demonstrating a meticulous approach to coding and problem-solving.
  • Adaptability: Being open to learning new concepts and technologies.
  • Time management: Efficiently managing tasks and meeting deadlines.
  • Teamwork: Collaborating effectively with team members.
  • Communication: Clearly conveying ideas and seeking clarification when needed.

Middle

  • Analytical thinking: Ability to analyze complex problems and devise effective solutions.
  • Leadership: Taking initiative and guiding junior team members.
  • Problem-solving: Identifying issues and implementing practical solutions.
  • Client management: Building and maintaining positive relationships with clients.
  • Conflict resolution: Resolving conflicts within the team or with stakeholders.
  • Flexibility: Adapting to changing project requirements and priorities.
  • Presentation skills: Effectively presenting ideas and solutions to stakeholders.

Senior

  • Strategic thinking: Developing long-term plans and strategies for projects.
  • Mentorship: Mentoring and coaching junior and middle-level developers.
  • Client negotiation: Negotiating project requirements and timelines with clients.
  • Decision-making: Making informed decisions based on project goals and requirements.
  • Conflict management: Resolving conflicts between team members or departments.
  • Innovation: Identifying opportunities for innovation and implementing new approaches.
  • Empathy: Understanding and empathizing with team members and stakeholders.
  • Delegation: Assigning tasks effectively and ensuring their successful completion.

Expert/Team Lead

  • Strategic planning: Creating long-term roadmaps and goals for the team.
  • Project management: Overseeing multiple projects and ensuring their successful completion.
  • Technical expertise: Possessing deep knowledge and experience in Delphi development.
  • Team building: Building and nurturing high-performing teams.
  • Decision-making: Making critical decisions that impact the team and project outcomes.
  • Stakeholder management: Effectively managing relationships with clients and stakeholders.
  • Conflict resolution: Resolving complex conflicts within the team or across departments.
  • Innovation leadership: Driving innovation and encouraging creative thinking.
  • Continuous learning: Keeping up-to-date with the latest trends and technologies.
  • Communication skills: Effectively communicating complex technical concepts to non-technical stakeholders.
  • Strategic partnerships: Building strategic partnerships to enhance project outcomes.

 

Hard skills of a Delphi Developer

Hard skills

Delphi is a powerful programming language used for developing desktop, mobile, and web applications. Delphi developers possess a range of hard skills that enable them to create robust and efficient software solutions. Here are the hard skills required for Delphi developers at different levels of experience:

Junior

  • Delphi Programming: Proficiency in Delphi programming language, including knowledge of syntax, data types, control structures, and object-oriented programming concepts.
  • Database Integration: Ability to integrate Delphi applications with databases using frameworks like FireDAC or dbExpress, and perform tasks such as querying, updating, and managing data.
  • User Interface Design: Understanding of UI design principles and experience in creating user-friendly interfaces using Delphi’s visual components and tools.
  • Error Handling and Debugging: Skill in handling exceptions, debugging code, and using tools like the Delphi IDE’s integrated debugger to identify and fix software issues.
  • Version Control: Familiarity with version control systems like Git or SVN to manage source code and collaborate with other developers effectively.

Middle

  • Advanced Delphi Programming: In-depth knowledge of Delphi language features, advanced data structures, generics, and memory management techniques for writing high-performance code.
  • Multithreading: Understanding of multithreading concepts and experience in developing multithreaded applications using Delphi’s threading libraries, such as TThread or OmniThreadLibrary.
  • Component Development: Ability to create custom Delphi components and libraries for code reuse, encapsulation of functionality, and enhancing the development process.
  • Performance Optimization: Proficiency in optimizing Delphi applications for speed and memory usage through techniques like profiling, caching, and algorithmic improvements.
  • Unit Testing: Knowledge of unit testing frameworks like DUnit or DUnitX to write automated tests for verifying the correctness of Delphi code.
  • Web Services Integration: Experience in integrating Delphi applications with web services using technologies like REST or SOAP for data exchange.
  • Deployment and Packaging: Understanding of the deployment process and ability to package Delphi applications for distribution, including installer creation and version management.

Senior

  • Software Architecture: Proficiency in designing scalable and maintainable software architectures using industry-standard patterns and practices, such as MVC or MVVM.
  • Code Review and Refactoring: Ability to review and refactor existing Delphi code for improved readability, maintainability, and adherence to coding standards.
  • Security: Knowledge of common security vulnerabilities and best practices for securing Delphi applications, including input validation, encryption, and secure coding techniques.
  • Performance Profiling: Skill in using profiling tools to identify performance bottlenecks in Delphi applications and applying optimizations to improve overall performance.
  • Code Documentation: Experience in documenting Delphi code using tools like Doxygen or Javadoc to facilitate understanding and maintenance of the software.
  • Collaboration and Mentoring: Ability to collaborate effectively with team members, provide guidance and mentorship to junior developers, and participate in code reviews.
  • Project Management: Familiarity with project management methodologies and tools to coordinate development tasks, estimate project timelines, and ensure timely delivery.
  • Software Testing: Knowledge of various testing techniques and frameworks to ensure the quality and reliability of Delphi applications, including functional and integration testing.

Expert/Team Lead

  • Technical Leadership: Demonstrated expertise in leading Delphi development teams, guiding architectural decisions, and providing technical direction and mentorship.
  • Performance Tuning: Mastery in optimizing the performance of complex Delphi applications through advanced profiling, parallel processing, and algorithmic optimizations.
  • Code Review and Quality Assurance: Expertise in performing thorough code reviews, enforcing coding standards, and implementing quality assurance processes within the team.
  • Legacy Code Refactoring: Experience in refactoring and modernizing legacy Delphi codebases, improving maintainability, and leveraging new language features and frameworks.
  • Advanced Database Development: In-depth knowledge of database development techniques in Delphi, including advanced SQL querying, indexing strategies, and database optimization.
  • Enterprise Integration: Ability to integrate Delphi applications with enterprise systems using technologies like ESB, message queues, or web services for seamless data exchange.
  • Continuous Integration and Deployment: Proficiency in setting up and managing CI/CD pipelines for Delphi projects, automating build, test, and deployment processes.
  • Team Collaboration: Skill in fostering collaboration within development teams, facilitating effective communication, and promoting knowledge sharing among team members.
  • Project Planning and Estimation: Expertise in project planning, resource allocation, and estimation techniques to ensure successful delivery of complex Delphi projects.
  • Technical Documentation: Ability to create comprehensive technical documentation, including system architecture diagrams, API documentation, and developer guides.
  • Emerging Technologies: Awareness of emerging trends and technologies in the software development industry, and ability to evaluate their potential application in Delphi projects.

 

What are top Delphi instruments and tools?

Instruments and tools
  • Delphi IDE: The Delphi Integrated Development Environment (IDE) is the primary tool used by Delphi developers for building applications. It provides a comprehensive set of features, including a code editor, debugger, visual designer, and a wide range of components and libraries. Delphi IDE has been continuously updated since its initial release in 1995, making it a mature and reliable development environment for creating Windows, macOS, iOS, and Android applications.
  • FireDAC: FireDAC is a powerful database access framework for Delphi that provides high-performance, cross-platform database connectivity. It supports a wide range of database systems, including Oracle, Microsoft SQL Server, MySQL, PostgreSQL, and SQLite, among others. FireDAC offers features such as data access components, dataset management, SQL support, and data modeling tools, making it an essential tool for database-driven applications.
  • DevExpress VCL: DevExpress VCL is a set of visually stunning and feature-rich UI controls for Delphi. It offers a comprehensive suite of components, including grids, charts, editors, and navigation controls, which enable developers to create modern and professional-looking user interfaces. DevExpress VCL components are known for their performance, flexibility, and extensive customization options.
  • FastReport: FastReport is a report generator for Delphi that allows developers to design and generate reports quickly and easily. It supports a wide range of report types, including tabular, master-detail, cross-tab, and interactive reports. FastReport provides a visual report designer, a powerful report engine, and support for exporting reports to various formats, such as PDF, Excel, and HTML.
  • TeeChart: TeeChart is a charting component library for Delphi that provides a vast collection of chart types and styles. It offers extensive customization options, including support for multiple axes, unlimited series, and interactive features. TeeChart supports a wide range of data sources and can be used for visualizing complex data sets in a clear and intuitive manner.
  • RemObjects SDK: RemObjects SDK is a framework for building multi-tier applications in Delphi. It enables developers to create distributed applications that communicate over various network protocols, including TCP/IP, HTTP, and SOAP. RemObjects SDK provides a comprehensive set of tools and components for building client-server architectures, making it an excellent choice for building scalable and secure enterprise applications.
  • CodeSite: CodeSite is a debugging and logging tool for Delphi that helps developers identify and diagnose issues in their applications. It allows developers to instrument their code with logging statements and capture valuable information during runtime, such as method calls, variable values, and exceptions. CodeSite provides a visual log viewer and integrates seamlessly with the Delphi IDE, making it an indispensable tool for debugging and troubleshooting.

 

TOP 10 Delphi Related Technologies

Related Technologies
  • Object Pascal

    Object Pascal is the primary programming language used for Delphi software development. It is a powerful and flexible language that allows developers to create efficient and scalable applications. With its extensive library support and easy-to-read syntax, Object Pascal is the foundation of Delphi development.

  • FireMonkey

    FireMonkey is a cross-platform framework for building visually stunning user interfaces in Delphi. It allows developers to create rich and interactive applications that run seamlessly on multiple platforms, including Windows, macOS, iOS, and Android. FireMonkey provides a wide range of UI controls and supports advanced features like animations and 3D graphics.

  • DevExpress

    DevExpress is a popular component library for Delphi development. It offers a vast collection of pre-built UI controls, reporting tools, and productivity features that help developers accelerate the development process. DevExpress components are known for their high quality and performance, making them a preferred choice among Delphi developers.

  • DataSnap

    DataSnap is a powerful framework for building multi-tier applications in Delphi. It enables developers to create scalable and distributed systems by separating the presentation layer, business logic, and data access layer. DataSnap provides seamless integration with various data sources and supports communication protocols like REST and SOAP.

  • FastReport

    FastReport is a feature-rich reporting tool for Delphi. It allows developers to design and generate professional-looking reports with ease. With its intuitive drag-and-drop interface and extensive customization options, FastReport is widely used in Delphi applications for creating printable and exportable reports.

  • dbExpress

    dbExpress is a database connectivity framework for Delphi. It provides a high-performance and lightweight way to connect Delphi applications with various database systems. dbExpress supports a wide range of database servers, including Oracle, SQL Server, MySQL, and PostgreSQL, making it a versatile choice for data-driven Delphi applications.

  • Delphi Spring Framework

    The Delphi Spring Framework is a powerful and lightweight framework for Delphi development. It follows the principles of Dependency Injection and Aspect-Oriented Programming, making it easy to build scalable and maintainable applications. The Delphi Spring Framework provides a comprehensive set of features, including Inversion of Control, Aspect-Oriented Programming, and Dependency Injection, making it a valuable tool for Delphi developers.

 

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior Developer0-2 years– Assisting senior developers in coding and testing tasks
– Learning and applying programming languages and frameworks
– Debugging and resolving basic technical issues
– Collaborating with team members on small-scale projects
$50,000 – $70,000
Middle Developer2-5 years– Developing and implementing software solutions
– Collaborating with team members on medium-scale projects
– Mentoring junior developers and providing technical guidance
– Participating in code reviews and ensuring code quality
$70,000 – $90,000
Senior Developer5-8 years– Leading the development of complex software systems
– Providing technical expertise and guidance to the team
– Collaborating with stakeholders to define project requirements
– Identifying and implementing best practices for software development
$90,000 – $120,000
Expert/Team Lead Developer8+ years– Leading and managing a team of developers
– Architecting and designing software solutions
– Making critical technical decisions and solving complex problems
– Collaborating with cross-functional teams to deliver high-quality software
$120,000 – $150,000+

 

TOP 11 Facts about Delphi

Facts about
  • Delphi is a high-level programming language that was developed by Borland in the 1990s.
  • It was originally designed to be an object-oriented version of Pascal, a popular programming language at the time.
  • Delphi became widely known for its powerful integrated development environment (IDE) called the Delphi IDE, which provided developers with a range of tools for building Windows applications.
  • One of the key features of Delphi is its visual development approach, which allows developers to design user interfaces by dragging and dropping components onto a form.
  • Delphi applications are compiled into native machine code, resulting in fast and efficient execution.
  • Delphi supports multiple programming paradigms, including object-oriented programming, procedural programming, and event-driven programming.
  • Delphi has a strong community of developers and a large number of third-party components and libraries, which makes it easy to extend the functionality of Delphi applications.
  • Delphi has been used to develop a wide range of applications, including desktop software, database applications, web applications, and mobile apps.
  • Delphi is known for its stability and backward compatibility, allowing developers to easily migrate and maintain their applications over time.
  • Delphi is still actively developed and supported by Embarcadero Technologies, the company that acquired Borland’s development tools division.
  • Delphi has a long history and has been used by many well-known companies and organizations, including NASA, Boeing, and IBM.

 

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