GetAdaptorEndpointFromFlags gets the value of --adaptor-api or returns an error in case it is not valid.

GetDebugModeFromFlags gets the value of --debug flag.

GetMetadataKeysFromCmdFlags returns the keys from --metadata-keys flag.

MapContainsKeys returns true if the subject map contains target keys.

SanitizeLocalhost changes localhost to host.docker.internal in case the project is running as a docker container.