code: protected boolean isSnapshot( String baseVersion )
      {
          if ( banTimestamps )
          {
              return Artifact.VERSION_FILE_PATTERN.matcher( baseVersion ).matches()
                  || baseVersion.endsWith( Artifact.SNAPSHOT_VERSION );
          }
          else
          {
              return baseVersion.endsWith( Artifact.SNAPSHOT_VERSION );
          }
      }
docs: Checks if is snapshot.
  
  @param baseVersion the base version
  @return true, if is snapshot