stakeAccount
stakeAccount: AccountInfo<{ info: { meta: { authorized: { staker: PublicKey; withdrawer: PublicKey }; lockup: { custodian: PublicKey; epoch: number; unixTimestamp: number }; rentExemptReserve: BN }; stake: null | { creditsObserved: number; delegation: { activationEpoch: BN; deactivationEpoch: BN; stake: BN; voter: PublicKey; warmupCooldownRate: number } } }; type: "initialized" | "uninitialized" | "delegated" | "rewardsPool" }>