code: public void setTraceIds(java.util.Collection<String> traceIds) {
          if (traceIds == null) {
              this.traceIds = null;
              return;
          }
  
          this.traceIds = new java.util.ArrayList<String>(traceIds);
      }
docs: <p>
  Specify the trace IDs of requests for which to retrieve segments.
  </p>
  
  @param traceIds
  Specify the trace IDs of requests for which to retrieve segments.