It is not. The IMF does not demand collateral for the loans that they then hand over to foreign governments. China does.
https://theconversation.com/mombasa-port-how-kenyas-auditor-...
https://theconversation.com/mombasa-port-how-kenyas-auditor-...
"In December 2018, a leaked letter from the Kenyan auditor-general’s office sparked a rumour that Kenya had staked its bustling Mombasa Port as collateral for the Chinese-financed Standard Gauge Railway. Our new research shows why the collateral rumour is wrong."
LLM much?
[1] https://www.bu.edu/gdp/2021/04/05/imf-austerity-is-alive-and... and https://academic.oup.com/book/11959?login=false
[2] https://accountinginsights.org/austerity-principles-economic...