HasBilling returns true if the current ShellHub server instance has billing feature enabled.

IsCloud returns true if the current ShellHub server instance is cloud.

IsCommunity return true if the current ShellHub server instance is community.

IsDevelopment returns true if the current environment is development.

IsEnterprise returns true if the current ShellHub server instance is enterprise.

Parse parses the environment variables.

ParseWithPrefix parses the environment variables for the a given prefix.

DefaultBackend define the backend to be used to get environment variables.

Backend is an interface for any sort of underlying key/value store.