## indices
 
 InUse
- **interface**: `indices.InUse.is`
- **summary**:    The index was not available. 
 
 NotAssigned
- **interface**: `indices.NotAssigned.is`
- **summary**:    The index was not already assigned. 
 
 NotOwner
- **interface**: `indices.NotOwner.is`
- **summary**:    The index is assigned to another account. 
 
 NotTransfer
- **interface**: `indices.NotTransfer.is`
- **summary**:    The source and destination accounts are identical. 
 
 Permanent
- **interface**: `indices.Permanent.is`
- **summary**:    The index is permanent and may not be freed/changed.