# Functions
GetEnvVarAsBool gets an env variable and parses to a bool; or returns a default bool if variable missing or not a bool.
GetEnvVarAsInt gets an env variable and parses to an int; or returns a default int if variable missing or not an int.
GetEnvVarAsString gets an environment variable, or returns a default value if missing/empty.
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ParseInt tries to parse a string into an int; else returns a default value.