Mint interface (SPL, Token-2022, or light-token).
Destination onchain token account address.
Mint authority public key.
Fee payer public key.
Amount to mint.
OptionalvalidityProof: ValidityProofWithContextNot used (legacy parameter, kept for compatibility).
Multi-signature signer public keys (SPL/T22 only).
Create mint-to instruction for SPL, Token-2022, or light-token mints. This instruction ONLY mints to light-token associated token accounts (hot).
For light-token mints, the light mint account must exist (mint must be decompressed first).