abstract fun validate(key: String, @Nullable position: DocumentPosition?, @Nullable value: T?): MutableList<ConfigurationError> (source)
Validate a configuration property.
key - The configuration property key.
position - The position of the property in the input document, if supported. This should be used when constructing errors.
value - The value associated with the configuration entry.
Return
A list of errors. If no errors are found, an empty list should be returned.