fun addComment(key: String, comment: Array<String>): Unit
Add a commented property without a value.
comment - Comment of a property.
fun addComment(key: String, value: String?, comment: Array<String>, changeValue: Boolean): Unit
Add a commented property with a value.
value - The value of the property. (It is also possible to set a null value.)
comment - This string array is used for the comment.
changeValue - The value of an existing property will be changed.