code: public com.google.api.ads.admanager.axis.v201805.EnvironmentType getEnvironmentType() {
          return environmentType;
      }
docs: Gets the environmentType value for this ProposalLineItem.
  
  @return environmentType   * The environment that the {@code ProposalLineItem} is targeting.
  The default value
  is {@link EnvironmentType#BROWSER}. If this value
  is {@link EnvironmentType#VIDEO_PLAYER},
  then this {@code ProposalLineItem} can only target
  {@link AdUnit ad units} that have
  {@link AdUnitSize sizes} whose {@link AdUnitSize#environmentType}
  is also
  {@link EnvironmentType#VIDEO_PLAYER}.
  
  <p>This field can only be changed if the {@link #linkStatus}
  is {@link LinkStatus#UNLINKED}.
  Otherwise its value is read-only and set to {@link
  Product#environmentType} of the product
  this proposal line item was created from.