code: public static <T extends Item> AutoCompletionCandidates ofJobNames(final Class<T> type, final String value, @CheckForNull Item self, ItemGroup container) {
          if (self==container)
              container = self.getParent();
          return ofJobNames(type, value, container);
      }
docs: Auto-completes possible job names.
  
  @param type
  Limit the auto-completion to the subtype of this type.
  @param value
  The value the user has typed in. Matched as a prefix.
  @param self
  The contextual item for which the auto-completion is provided to.
  For example, if you are configuring a job, this is the job being configured.
  @param container
  The nearby contextual {@link ItemGroup} to resolve relative job names from.
  @since 1.489