open fun plus(value: T): T (source)
Returns a value that is (this + value). 
 This notation can be used in Kotlin with the + operator.
value - T: The amount to be added to this value.
Return
T: this + value
open fun plus(value: Long): T (source)
Returns a value that is (this + value). 
 This notation can be used in Kotlin with the + operator.
value - Long: The amount to be added to this value.
Return
T: this + value