IMMEDIATE_WITHOUT_PRORATION constant
int
const IMMEDIATE_WITHOUT_PRORATION
Replacement takes effect immediately, and the new price will be charged on next recurrence time. The billing cycle stays the same. https://developer.android.com/reference/com/android/billingclient/api/BillingFlowParams.ProrationMode#immediate_without_proration
Implementation
static const int IMMEDIATE_WITHOUT_PRORATION = 3;