walletSyncPoolWithheld abstract method
Sync-detail line for ONE shielded pool whose service was PoolService.withheld — this server served FEWER completed subtree roots than the wallet can prove the pool already has (from the signed data the app ships with), so funds received in the part it did not serve cannot be spent through this server (§4r U-3). Same placement and rules as walletSyncPoolUnsupported. 'Withholding', matching the explanation's 'withholding'. MUST NOT say the pool is empty.
In en, this message translates to: '{pool}: this server is withholding part of it'
Implementation
String walletSyncPoolWithheld(String pool);