code: public java.util.List<IdentityPoolUsage> getIdentityPoolUsages() {
          if (identityPoolUsages == null) {
              identityPoolUsages = new com.amazonaws.internal.SdkInternalList<IdentityPoolUsage>();
          }
          return identityPoolUsages;
      }
docs: Usage information for the identity pools.
  
  @return Usage information for the identity pools.