sequenceDiagram
    participant C as Context
    participant V as Viewer
    participant MT as MimeType

    C->>C: View(data, options...)
    C->>C: getViewer(name)
    alt Named viewer exists
        C->>V: MimeType()
        V-->>C: viewer mime type
        C->>MT: Match(accept)
        MT-->>C: match result
    else No named viewer
        loop For each Accept header
            C->>V: MimeType()
            V-->>C: viewer mime type
            C->>MT: Match(accept)
            MT-->>C: match result
        end
    end
    C->>V: Render(response, request, data)

classDiagram
    class MimeType {
        +String Type
        +String SubType
        +Match(accept MimeType) bool
        +String() string
    }

    class Viewer {
        <<interface>>
        +MimeType() *MimeType
        +Render(w http.ResponseWriter, r *http.Request, data any) error
    }

    class JsonViewer {
        +MimeType() *MimeType
        +Render(w http.ResponseWriter, r *http.Request, data any) error
    }

    class HtmlViewer {
        +MimeType() *MimeType
        +Render(w http.ResponseWriter, r *http.Request, data any) error
    }

    class FileViewer {
        +MimeType() *MimeType
        +Render(w http.ResponseWriter, r *http.Request, data any) error
    }

    Viewer <|.. JsonViewer
    Viewer <|.. HtmlViewer
    Viewer <|.. FileViewer

    note for MimeType "New struct for MIME type handling"
    note for Viewer "Updated to return *MimeType"