code: public com.google.api.ads.admanager.axis.v201902.RetractionDetails getLastRetractionDetails() {
          return lastRetractionDetails;
      }
docs: Gets the lastRetractionDetails value for this Proposal.
  
  @return lastRetractionDetails   * Details describing the most recent proposal retraction.
  <span class="constraint Applicable">This attribute
  is applicable when:<ul><li>using programmatic guaranteed, using sales
  management.</li><li>not using programmatic, using sales management.</li></ul></span>
  <span class="constraint ReadOnly">This attribute is read-only when:<ul><li>using
  programmatic guaranteed, using sales management.</li><li>not using
  programmatic, using sales management.</li></ul></span>