code: public com.google.api.ads.admanager.axis.v201811.CreativeSizeType getCreativeSizeType() {
          return creativeSizeType;
      }
docs: Gets the creativeSizeType value for this CreativePlaceholder.
  
  @return creativeSizeType   * Describes the types of sizes a creative can be. By default,
  the creative's size
  is {@link CreativeSizeType#PIXEL}, which is a dimension
  based size (width-height pair).