Function spl_governance::state::realm_config::get_realm_config_data_for_realm

pub fn get_realm_config_data_for_realm(
    program_id: &Pubkey, 
    realm_config_info: &AccountInfo<'_>, 
    realm: &Pubkey
) -> Result<RealmConfigAccount, ProgramError>

Deserializes RealmConfig account and checks the owner program and the Realm it belongs to