code: public void setThreatIntelIndicatorSource(java.util.Collection<StringFilter> threatIntelIndicatorSource) {
          if (threatIntelIndicatorSource == null) {
              this.threatIntelIndicatorSource = null;
              return;
          }
  
          this.threatIntelIndicatorSource = new java.util.ArrayList<StringFilter>(threatIntelIndicatorSource);
      }
docs: <p>
  The source of the threat intel.
  </p>
  
  @param threatIntelIndicatorSource
  The source of the threat intel.