# Functions
NewConfigError initializes a ConfigError.
NewDialError initializes a DialError.
NewRefreshError initializes a RefreshError.
# Structs
ConfigError represents an incorrect request by the user.
DialError represents a problem that occurred when trying to dial a SQL instance (e.g., a failure to set the keep-alive property, a TLS handshake failure, a missing certificate, etc.).
RefreshError means that an error occurred during the background refresh operation.