GetHumanitarianSummary retrieves a humanitarian overview for a country from HAPI/HDX.
ISO 3166-1 alpha-2 country code (e.g., "YE", "SD", "SO").
Successful response
GetHumanitarianSummaryResponse contains the humanitarian summary for the requested country.
HumanitarianCountrySummary represents HAPI conflict event counts for a country.