e)">Components</a></span></span><span class='period'>.</span><span class='id identifier rubyid_const_get'>const_get</span><span class='lparen'>(</span><span class='id identifier rubyid_family_cst_str'>family_cst_str</span><span class='rparen'>)</span>
  <span class='kw'>return</span> <span class='kw'>nil</span> <span class='kw'>unless</span> <span class='id identifier rubyid_family_constant'>family_constant</span><span class='period'>.</span><span class='id identifier rubyid_const_defined?'>const_defined?</