@Nullable fun getDefaultList(key: String!): MutableList<Any!>? (source)
Get a default value from this configuration as a list.
key - String!: A configuration key (e.g. "server.common_names").
IllegalArgumentException - If the key cannot be parsed.
InvalidConfigurationPropertyTypeException - If the default value is not a list.
Return
MutableList<Any!>?: The value, or null if no default was available.