Nothing

```
print.interv_test <- function(x, ...){
if(!is.null(x$error_message)){
warning(x$error_message)
cat("\n")
}else{
cat("\n\tScore test on intervention(s) of given type at given time\n")
cat("\nChisq-Statistic: ", x$test_statistic, " on ", x$df, " degree(s) of freedom, p-value: ", x$p_value, "\n\n", sep="")
if(!is.null(x$fit_interv)){
cat("Fitted model with the specified intervention:\n")
print(x$fit_interv, ...)
}
invisible(x)
}
}
```

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