# Overview The system is comprised of a set of contracts, with the main one being the vault contract (MellowSymbioticVault / MellowVaultCompat). This vault is a modification of the ERC4626 standard, featuring queued withdrawals. To handle these queued withdrawals, there is a separate contract called the SymbioticWithdrawalQueue. The code has multiple audits and is available here: . --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.mellow.finance/restaking-vaults/simple-lrt/overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.