# Functions
CallWebConnectivityTestHelper invokes the Web Connectivity test helper with the given request object, the given list of available test helpers, and the given session.
NewDNSWhoamiService constructs a new [*DNSWhoamiService].
NewOpportunisticDNSOverHTTPSURLProvider creates a new [*OpportunisticDNSOverHTTPSURLProvider].
RandomDNSOverUDPResolverEndpointIPv4 returns a random DNS-over-UDP resolver endpoint using IPv4.
# Structs
DNSWhoamiInfoEntry contains an entry for DNSWhoamiInfo.
DNSWhoamiService is a service that performs DNS whoami lookups.
OpportunisticDNSOverHTTPSURLProvider allows to perform opportunistic DNS-over-HTTPS measurements as part of Web Connectivity LTE.