# addProgressListener

abstract fun addProgressListener(listener: ProgressListener): T

#### Since

1.0-milestone-3

abstract fun addProgressListener(listener: ProgressListener): T
abstract fun addProgressListener(listener: ProgressListener, eventTypes: Set<OperationType>): T

#### Since

2.5

abstract fun addProgressListener(listener: ProgressListener, operationTypes: Array<OperationType>): T

#### Since

2.6