classDiagram

    Agent
    AgentChannel
    AgentChat
    
    AgentChat <|-- AgentGroupChat
    AgentGroupChat o-- Agent
    AgentGroupChat --> AgentGroupChatSettings
    class AgentGroupChat {
        <<Final>>
        +IReadOnlyList~Agent~ Agents
        +AgentGroupChatSettings ExecutionSettings
        +bool IsComplete
        +void AddAgent(Agent agent)
        +IAsyncEnumerable~ChatMessageContent~ InvokeAgentAsync()
        +IAsyncEnumerable~ChatMessageContent~ InvokeAgentAsync(Agent agent)
        +IAsyncEnumerable~ChatMessageContent~ InvokeAgentAsync(Agent agent, bool isJoining)
    }

    AgentGroupChatSettings --> SelectionStrategy
    AgentGroupChatSettings --> TerminationStrategy
    class AgentGroupChatSettings {
        <<Final>>
        +SelectionStrategy SelectionStrategy
        +TerminationStrategy TerminationStrategy
    }
    
    class SelectionStrategy {
        <<Abstract>>
        #ILogger Logger
        +Task~Agent~ NextAsync(IReadOnlyList~Agent~ agents, IReadOnlyList~ChatMessageContent~ history)*
    }    

    class TerminationStrategy {
        <<Abstract>>
        +bool AutomaticReset
        +int MaximumIterations
        +IReadOnlyList~Agent~? Agents
        #ILogger Logger
        +Task~bool~ ShouldTerminateAsync(Agent agent, IReadOnlyList~ChatMessageContent~ history)
        #Task~bool~ ShouldAgentTerminateAsync(Agent agent, IReadOnlyList~ChatMessageContent~ history)*
    }