code: public void setWarnings(java.util.Collection<Warning> warnings) {
          if (warnings == null) {
              this.warnings = null;
              return;
          }
  
          this.warnings = new java.util.ArrayList<Warning>(warnings);
      }
docs: <p>
  A list of warnings that occurred during the document analysis operation.
  </p>
  
  @param warnings
  A list of warnings that occurred during the document analysis operation.