render method
Implementation
void render(StringBuffer buffer) {
buffer
..write('BEGIN:')
..write(name)
..write('\r\n');
for (final property in properties) {
buffer.write(property.toString());
}
for (final component in children) {
component.render(buffer);
}
buffer
..write('END:')
..write(name)
..write('\r\n');
}