In the file robots.txt Disallow: // this will not lead to the closure of the entire site from indexing?

Question

robots.txt

The SEO specialist offers to close the view page from indexing https://domain// https://domain///, etc. This will not entail the closure of the indexing of the entire site?

Answer 1

Offer the SEO specialist to close himself from indexing and just make a redirect with multi-slash

Answer 2

The Disallow: // directive will not work.
To close the entire site from the index use Disallow: /.
To combat multiple slashes, use a redirect