GCPMetricTypePrefixInclude returns default list of metric type prefixes to include for circonus_stackdriver input plugin ONLY.

MapToTags converts a map[string]string to []string.

NewMetricDestination will find/retrieve/create a new circonus check bundle and add it to a trap metrics instance to be used as a metric destination.

VerifyTags is used to ensure that a list of tags provided in a config are not blank and to lowercase them.

Logshim is for api and traps - it uses the info level and agent debug logging are controlled independently.