ErrorCodeString retrieves an enum value from the enum constants string name.

ErrorCodeStrings returns a slice of all String values of the enum.

ErrorCodeValues returns all values of the enum.

InternalError should not return the details of the error to the client for safety reasons.

go:generate go run --mod=mod github.com/dmarkham/enumer --type=ErrorCode --transform=snake --values --trimprefix=ErrorCode --json --output error_code.go.