If you prefix any of your element's attributes with a
s: it becomes a flag.
Flags are passed to
this.flags and are recommended for namespacing your "service" attributes.
Sandstone also pre-defines some flags that change the behavior of Sandstone components:
If this flag is set, content of a custom element tag won't be passed to
component is rendered.
This flag locks external attribute manipulation. If an external force like jQuery is trying to
change an element with this flag, changes won't be passed down to
this.props and it will throw an
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