public Builder setOperationTimeout(Timeout operationTimeout) {
            this.operationTimeout = operationTimeout;
            return this;
        }
@param operationTimeout Timeout after which the operation will be considered as broken. Eventually the operation
                        will be canceled and removed from queue. Keep in mind that it will cancel the library's operation
                        only and may leave Android's BLE stack in an inconsistent state.
@return this builder instance
rxandroidble/src/main/java/com/polidea/rxandroidble2/ConnectionSetup.java