# light-sdk-types
Core types for the Light Protocol SDK.
| [`RentSponsor`] | PDA to sponsor rent-exemption of Solana accounts using the Light Token Program |
| [`CpiAccounts`](cpi_accounts::CpiAccounts) | Container for CPI system and tree accounts |
| [`CpiSigner`] | Program ID, signer, and bump for CPI invocation |
| [`address`] | Address derivation functions (v1 and v2) |
| [`constants`] | Protocol program IDs and discriminators |