func (s3Select *S3Select) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// S3 also supports the older SelectObjectContentRequest tag,
	// though it is no longer found in documentation. This is
	// checked and renamed below to allow older clients to also
	// work.
	if start.Name.Local == legacyXMLName {
		start.Name = xml.Name{Space: "", Local: "SelectRequest"}
	}

	// Make subtype to avoid recursive UnmarshalXML().

     * use `get(key) ?: defaultValue` instead of this method, anyway.
     */
    V result = get(key);
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (result != null) {
      return result;
    } else {
      return defaultValue;
    }
  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entrySet;

cs","annotation","annotation-xml","mprescripts","none"]),U=i(["#text"]),z=i(["accept","action","align","alt","autocapitalize","autocomplete","autopictureinpicture","autoplay","background","bgcolor","border","capture","cellpadding","cellspacing","checked","cite","class","clear","color","cols","colspan","controls","controlslist","coords","crossorigin","datetime","decoding","default","dir","disabled","disablepictureinpicture","disableremoteplayback","download","draggable","enctype","enterkeyhint","...

     * happy!) However, since we didn't do that for many years, we're not about to start now.
     * (Runtime checks could be particularly bad for users of LegacyConverter.)
     *
     * Luckily, our nullness checker is smart enough to realize that `convert` has @PolyNull-like
     * behavior, so it knows that `convert(a)` returns a non-nullable value, and we don't need to
     * perform even a cast, much less a runtime check.
     *

    errors += path_errors + query_errors + header_errors + cookie_errors
    if dependant.body_params:
        (
            body_values,
            body_errors,
        ) = await request_body_to_args(  # body_params checked above
            body_fields=dependant.body_params,
            received_body=body,
            embed_body_fields=embed_body_fields,
        )
        values.update(body_values)
        errors.extend(body_errors)

    }
  }

  /*
   * Preconditions.checkNotNull is *intended* for performing eager null checks on parameters that a
   * nullness checker can already "prove" are non-null. That means that the first parameter to
   * checkNotNull *should* be annotated to require it to be non-null.
   *

   * {@code true} if and only if this queue contains at least one element {@code e} such that {@code
   * o.equals(e)}.
   *
   * @param o object to be checked for containment in this queue
   * @return {@code true} if this queue contains the specified element
   */
  @CanIgnoreReturnValue
  @Override
  public boolean contains(@Nullable Object o) {

      // creating an ArrayList so filtering happens once
      return Lists.newArrayList(iterator()).toArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return Lists.newArrayList(iterator()).toArray(array);
    }
  }

  /**

    }

    /**
     * Searches for the property with the specified key in this property list. If the key is not found in this property
     * list, the default property list, and its defaults, recursively, are then checked. The method returns the default
     * value argument if the property is not found.
     *
     * @param key the property key.
     * @param defaultValue a default value.

    }

    /**
     * Searches for the property with the specified key in this property list. If the key is not found in this property
     * list, the default property list, and its defaults, recursively, are then checked. The method returns the default
     * value argument if the property is not found.
     *
     * @param key the property key.
     * @param defaultValue a default value.