code: public void setDimensions(java.util.Collection<Dimension> dimensions) {
          if (dimensions == null) {
              this.dimensions = null;
              return;
          }
  
          this.dimensions = new com.amazonaws.internal.SdkInternalList<Dimension>(dimensions);
      }
docs: <p>
  The dimensions for the metric associated with the alarm.
  </p>
  
  @param dimensions
  The dimensions for the metric associated with the alarm.