//! gRPC service implementations for the supported credit-control service.
//!
//! The product boundary is quota, reservation, wallet, and admission control.
//! This crate intentionally avoids turning that scope into a finance-grade
//! billing or settlement system.

mod billing;
mod credit_service;
mod flaredb_storage;
mod gateway_credit_service;
mod nightlight;
mod sql_storage;
mod storage;

pub use billing::{
    MockUsageMetricsProvider, PricingRules, ProjectBillingResult, ResourceUsage, UsageMetrics,
    UsageMetricsProvider,
};
pub use credit_service::CreditServiceImpl;
pub use flaredb_storage::FlareDbStorage;
pub use gateway_credit_service::GatewayCreditServiceImpl;
pub use nightlight::NightLightClient;
pub use sql_storage::SqlStorage;
pub use storage::{CreditStorage, InMemoryStorage};