import { Failure, Result, UnknownLink } from '@ucanto/interface';
import { AccountDID, ProviderDID, SpaceDID, UsageData, EgressData, EgressUsageData } from '@storacha/capabilities/types';
export type { UsageData, EgressUsageData };
export interface UsageStorage {
    report: (provider: ProviderDID, space: SpaceDID, period: {
        from: Date;
        to: Date;
    }) => Promise<Result<UsageData, Failure>>;
    reportEgress: (provider: ProviderDID, space: SpaceDID, period: {
        from: Date;
        to: Date;
    }) => Promise<Result<EgressUsageData, Failure>>;
    record: (
    /** The space which contains the resource that was served. */
    space: SpaceDID, 
    /** The customer that is being billed for the egress traffic. */
    customer: AccountDID, 
    /** The resource that was served to the customer through the gateway. */
    resource: UnknownLink, 
    /** The number of bytes that were served. */
    bytes: number, 
    /** The date and time when the resource was served. */
    servedAt: Date, 
    /** Identifier of the invocation that caused the egress traffic. */
    cause: UnknownLink) => Promise<Result<EgressData, Failure>>;
}
//# sourceMappingURL=usage.d.ts.map