public String variableName() {
        return variableName(HasAlias.of(document));
    }
Returns the alias of the current document formatted as a java variable.
<p>
Example:
<ul>
     <li>{@code employeesSchema}
     <li>{@code userTable}
     <li>{@code firstname}
</ul>

@return  the document name as a variable

@see #document()
generator-parent/generator-translator/src/main/java/com/speedment/generator/translator/TranslatorSupport.java