What examples of poetic creation, actual and symbolic, are present in "Kubla Khan" and in Coleridge's description of its composition?

Many argue that this is actually a poem about artistic
creation, and that the creation of the "pleasure dome" is a thinly-veiled allegory of
the creation of art and poetry itself. Note how the poem ends on this note as the
speaker hears the music of the Abyssinian maid and feels that if he could recreate her
music, he could rebuild the pleasure dome in Xanadu, which would in turn provoke
reactions of awe and fear in the people:

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That with music loud an
long,

I would build that dome in
air,

That sunny dome! those caves of
ice!

And all who heard should see them
there,

And all should cry, Beware!
Beware!

His flashing eyes, his floating
hair!

Let us not forget that
the poem itself has been created out of air, with words, to present us with extremely
vivid images and a new manner of approaching the work of the imagination and creativity.
Just as Kubla Khan "decreed" the existence of the "stately pleasure-dome," so the words
of the poet have created this art form, and at the end of the poem, this theme of
artistic creation is referred to, as the poet succeeds in his desire of recreating the
pleasure dome through his words.