mergiraf 0.19.0

use ic_nns_constants::LEDGER_CANISTER_ID as NNS_LEDGER_CANISTER_ID;
use ic_sns_governance::{
    governance::{
        log_prefix, Governance, TimeWarp, ValidGovernanceProto, MATURITY_DISBURSEMENT_DELAY_SECONDS,
    },
    logs::{ERROR, INFO},
    pb::v1 as sns_gov_pb,
    types::{Environment, HeapGrowthPotential},
    upgrade_journal::serve_journal,
};
use ic_sns_governance_api::pb::v1::{
    get_running_sns_version_response::UpgradeInProgress, governance::Version,
    ClaimSwapNeuronsRequest, ClaimSwapNeuronsResponse, FailStuckUpgradeInProgressRequest,
    FailStuckUpgradeInProgressResponse, GetMaturityModulationRequest,
    GetMaturityModulationResponse, GetMetadataRequest, GetMetadataResponse, GetMode,
    GetModeResponse, GetNeuron, GetNeuronResponse, GetProposal, GetProposalResponse,
    GetRunningSnsVersionRequest, GetRunningSnsVersionResponse,
    GetSnsInitializationParametersRequest, GetSnsInitializationParametersResponse,
    GetUpgradeJournalRequest, GetUpgradeJournalResponse, Governance as GovernanceApi,
    ListNervousSystemFunctionsResponse, ListNeurons, ListNeuronsResponse, ListProposals,
    ListProposalsResponse, ManageNeuron, ManageNeuronResponse, NervousSystemParameters,
    RewardEvent, SetMode, SetModeResponse,
};
#[cfg(feature = "test")]
use ic_sns_governance_api::pb::v1::{
    AddMaturityRequest, AddMaturityResponse, AdvanceTargetVersionRequest,
    AdvanceTargetVersionResponse, GovernanceError, MintTokensRequest, MintTokensResponse, Neuron,
    RefreshCachedUpgradeStepsRequest, RefreshCachedUpgradeStepsResponse,
};
#[cfg(test)]
mod tests;