Determines the duration in milliseconds in which the component will be visible.

Determines whether the component should close after the displayTime is over.

Whether the component is in shown state.

Sets the position of the component in the viewport.

bottom - positions the component at the bottom. This is the default. middle - positions the component at the center. top - positions the component at the top.

Sets the positioning strategy of the component.

viewport - positions the component relative to the viewport, ignoring any ancestor elements. This is the default behavior. container - positions the component relative to the nearest visible ancestor. In this mode, the component will be constrained within the bounding box of the ancestor and will be positioned according to the position attribute.

Array of styles to apply to the element. The styles should be defined using the css tag function, via constructible stylesheets, or imported from native CSS module scripts.

Note on Content Security Policy:

Element styles are implemented with <style> tags when the browser doesn't support adopted StyleSheets. To use such <style> tags with the style-src CSP directive, the style-src value must either include 'unsafe-inline' or nonce-<base64-value> with <base64-value> replaced be a server-generated nonce.

To provide a nonce to use on generated <style> elements, set window.litNonce to a server-generated nonce in your page's HTML, before loading application code:

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