interface ContentTranslationMetadataWrapperInterface

interface ContentTranslationMetadataWrapperInterface {
    
    /**
     * Retrieves the source language for this translation.
     *
     * @return string
     *   The source language code.
     */
    public function getSource();
    
    /**
     * Sets the source language for this translation.
     *
     * @param string $source
     *   The source language code.
     *
     * @return $this
     */
    public function setSource($source);
    
    /**
     * Returns the translation outdated status.
     *
     * @return bool
     *   TRUE if the translation is outdated, FALSE otherwise.
     */
    public function isOutdated();
    
    /**
     * Sets the translation outdated status.
     *
     * @param bool $outdated
     *   TRUE if the translation is outdated, FALSE otherwise.
     *
     * @return $this
     */
    public function setOutdated($outdated);
    
    /**
     * Returns the translation author.
     *
     * @return \Drupal\user\UserInterface
     *   The user entity for the translation author.
     */
    public function getAuthor();
    
    /**
     * Sets the translation author.
     *
     * The metadata field will be updated, only if it's translatable.
     *
     * @param \Drupal\user\UserInterface $account
     *   The translation author user entity.
     *
     * @return $this
     */
    public function setAuthor(UserInterface $account);
    
    /**
     * Returns the translation published status.
     *
     * @return bool
     *   TRUE if the translation is published, FALSE otherwise.
     */
    public function isPublished();
    
    /**
     * Sets the translation published status.
     *
     * The metadata field will be updated, only if it's translatable.
     *
     * @param bool $published
     *   TRUE if the translation is published, FALSE otherwise.
     *
     * @return $this
     */
    public function setPublished($published);
    
    /**
     * Returns the translation creation timestamp.
     *
     * @return int
     *   The UNIX timestamp of when the translation was created.
     */
    public function getCreatedTime();
    
    /**
     * Sets the translation creation timestamp.
     *
     * The metadata field will be updated, only if it's translatable.
     *
     * @param int $timestamp
     *   The UNIX timestamp of when the translation was created.
     *
     * @return $this
     */
    public function setCreatedTime($timestamp);
    
    /**
     * Returns the timestamp of the last entity change from current translation.
     *
     * @return int
     *   The timestamp of the last entity save operation.
     */
    public function getChangedTime();
    
    /**
     * Sets the translation modification timestamp.
     *
     * The metadata field will be updated, only if it's translatable.
     *
     * @param int $timestamp
     *   The UNIX timestamp of when the translation was last modified.
     *
     * @return $this
     */
    public function setChangedTime($timestamp);

}