The content of the component.
Override or extend the styles applied to the component.
If true, the helper text should be displayed in a disabled state.
true
If true, helper text should be displayed in an error state.
If true, the helper text should use filled classes key.
If true, the helper text should use focused classes key.
If dense, will adjust vertical spacing. This is normally obtained via context from FormControl.
dense
If true, the helper text should use required classes key.
The system prop that allows defining system overrides as well as additional CSS styles.
The variant to use.