What is the foreshadowing in "The Masque of the Red Death"?

The
narrator foreshadows from the start that this fortress of pleasure will be invaded by the horror
of the Red Death.

First, the indifference and callousness of the prince
towards the sufferings of his subjectscries out for poetic justice. We learn at the start that
the prince thinks:

The external world could take care of
itself. In the meantime it was folly to grieve, or to think. The prince had provided all the
appliances of pleasure. ... there were musicians, there was Beauty, there was wine. All these
and security were within. Without was the "Red Death"

From the beginning, we are uneasily aware that it is impossible to shut out trouble for
too long. The prince is trying too hard.

Poe also usesto foreshadow that
death is coming. In the final room, the seventh room, which is hung with black, the image of the
"blood-tinted" panes and the use of the word "ghastly" foreshadow the grim
ending:

the effect of the fire-light that streamed upon
the dark hangings through the...