sequenceDiagram
    participant User
    participant AddressSuggestion
    participant GooglePlacesAPI

    User->>AddressSuggestion: Enter address text
    AddressSuggestion->>GooglePlacesAPI: Request address suggestions
    GooglePlacesAPI-->>AddressSuggestion: Return suggestion data
    Note over AddressSuggestion: Check for missing main_text
    Note over AddressSuggestion: Check for missing secondary_text
    alt main_text is missing
        AddressSuggestion-->>User: Return null (no suggestion shown)
    else main_text exists
        AddressSuggestion-->>User: Display formatted address suggestion
    end

stateDiagram-v2
    [*] --> CheckData
    CheckData --> NullState: missing main_text
    CheckData --> FormatAddress: has main_text
    FormatAddress --> DisplaySuggestion: format complete
    NullState --> [*]
    DisplaySuggestion --> [*]

    state FormatAddress {
        [*] --> CheckSecondaryText
        CheckSecondaryText --> UseMainText: has secondary_text
        CheckSecondaryText --> UseDescription: no secondary_text
        UseMainText --> [*]
        UseDescription --> [*]
    }