docs: public void setDesiredShardLevelMetrics(java.util.Collection<String> desiredShardLevelMetrics) {
          if (desiredShardLevelMetrics == null) {
              this.desiredShardLevelMetrics = null;
              return;
          }
  
          this.desiredShardLevelMetrics = new com.amazonaws.internal.SdkInternalList<String>(desiredShardLevelMetrics);
      }