docs: protected boolean isColumnDefinitionStart( DdlTokenStream tokens,
                                                 String columnMixinType ) throws ParsingException {
          boolean result = isColumnDefinitionStart(tokens);
          if (!result && TYPE_ALTER_COLUMN_DEFINITION.equals(columnMixinType)) {
              for (String start : INLINE_COLUMN_PROPERTY_START) {
                  if (tokens.matches(TokenStream.ANY_VALUE, start)) return true;
              }
          }
          return result;
      }