code: public com.google.api.ads.adwords.axis.v201809.o.SearchParameter[] getSearchParameters() {
          return searchParameters;
      }
docs: Gets the searchParameters value for this TargetingIdeaSelector.
  
  @return searchParameters   * Search for targeting ideas based on these search rules.
  
  <p>An empty set indicates this selector is valid for
  selecting metadata
  with default parameters.
  <span class="constraint ContentsNotNull">This field
  must not contain {@code null} elements.</span>
  <span class="constraint DistinctTypes">Elements in
  this field must have distinct types.</span>
  <span class="constraint Required">This field is required
  and should not be {@code null}.</span>