code: private boolean isChildless(Glyph targetGlyph)
      {
          boolean checker = true;
          for(Glyph glyph: targetGlyph.getGlyph() )
          {
              if ( !glyphClazzOneOf(glyph, GlyphClazz.STATE_VARIABLE, GlyphClazz.UNIT_OF_INFORMATION) )
              {
                  checker = false;
                  break;
              }
          }
          return checker;
      }
docs: Returns true if a glyph includes child glyphs (state and info glyphs are out of count!)
  @param targetGlyph target glyph that will be queried.
  @return true/false