class UnifiedModel:
    def __init__(self):
        self.shared_parameters = self.initialize_shared_parameters()
        self.front_end_agent = self.initialize_front_end_agent()
        self.back_end_agent = self.initialize_back_end_agent()
        self.database_agent = self.initialize_database_agent()
        self.devops_agent = self.initialize_devops_agent()
        self.project_management_agent = self.initialize_project_management_agent()
        self.coordination_mechanism = self.initialize_coordination_mechanism()

    def initialize_shared_parameters(self):
        # Initialize shared parameters for general tasks
        pass

    def initialize_front_end_agent(self):
        # Initialize parameters for front-end tasks
        pass

    def initialize_back_end_agent(self):
        # Initialize parameters for back-end tasks
        pass

    def initialize_database_agent(self):
        # Initialize parameters for database tasks
        pass

    def initialize_devops_agent(self):
        # Initialize parameters for DevOps tasks
        pass

    def initialize_project_management_agent(self):
        # Initialize parameters for project management tasks
        pass

    def initialize_coordination_mechanism(self):
        # Initialize mechanism for coordinating between agents
        pass

    def process_task(self, task_type, task_data):
        # Route the task to the appropriate agent
        if task_type == 'front_end':
            return self.front_end_agent.process(task_data)
        elif task_type == 'back_end':
            return self.back_end_agent.process(task_data)
        elif task_type == 'database':
            return self.database_agent.process(task_data)
        elif task_type == 'devops':
            return self.devops_agent.process(task_data)
        elif task_type == 'project_management':
            return self.project_management_agent.process(task_data)
        else:
            raise ValueError("Unknown task type")

# Example usage
model = UnifiedModel()
result = model.process_task('front_end', {'html': '<div></div>'})
print(result)