type Check<T> = (value: unknown) => value is T;
type Static<T> = T extends Check<infer Value> ? Value : never;
type Fields = Record<string, Check<unknown>>;
type ObjectValue<Shape extends Fields> = {
    [Key in keyof Shape as undefined extends Static<Shape[Key]> ? never : Key]: Static<Shape[Key]>;
} & {
    [Key in keyof Shape as undefined extends Static<Shape[Key]> ? Key : never]?: Static<Shape[Key]>;
};
declare const number: (value: unknown) => value is number;
declare const string: (value: unknown) => value is string;
declare const boolean: (value: unknown) => value is boolean;
declare const Stats: Check<ObjectValue<{
    usd: typeof number;
    input: typeof number;
    output: typeof number;
    cacheRead: typeof number;
    cacheWrite: typeof number;
    requests: typeof number;
    unpriced: typeof number;
}>>;
declare const Summary: Check<ObjectValue<{
    total: Check<ObjectValue<{
        usd: typeof number;
        input: typeof number;
        output: typeof number;
        cacheRead: typeof number;
        cacheWrite: typeof number;
        requests: typeof number;
        unpriced: typeof number;
    }>>;
    models: Check<Record<string, ObjectValue<{
        usd: typeof number;
        input: typeof number;
        output: typeof number;
        cacheRead: typeof number;
        cacheWrite: typeof number;
        requests: typeof number;
        unpriced: typeof number;
    }>>>;
}>>;
declare const Spend: Check<ObjectValue<{
    at: typeof number;
    model: typeof string;
    stats: Check<ObjectValue<{
        usd: typeof number;
        input: typeof number;
        output: typeof number;
        cacheRead: typeof number;
        cacheWrite: typeof number;
        requests: typeof number;
        unpriced: typeof number;
    }>>;
}>>;
declare const HistoryScan: Check<ObjectValue<{
    from: typeof number;
    to: typeof number;
    windowStart: typeof number;
    root: typeof string;
    coverage: Check<ObjectValue<{
        sessions: typeof number;
        skippedCopies: typeof number;
        incompleteEntries: typeof number;
        unattributedUsage: typeof number;
        unreadablePaths: Check<number | undefined>;
        warnings: Check<string[]>;
    }>>;
    total: Check<ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>;
    months: Check<Record<string, ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>>;
    previous: Check<ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>;
    recent: Check<ObjectValue<{
        at: typeof number;
        model: typeof string;
        stats: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
    }>[]>;
    nonstandard: Check<boolean | undefined>;
}>>;
declare const Period: Check<ObjectValue<{
    start: typeof number;
    expectedReset: typeof number;
    source: Check<"inferred" | "manual" | "session-history">;
    partial: typeof boolean;
    summary: Check<ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>;
    approximate: Check<boolean | undefined>;
    quota: Check<ObjectValue<{
        at: typeof number;
        usedPercent: (value: unknown) => value is number;
        usd: typeof number;
    }> | undefined>;
    quotaPerUsd: Check<number | undefined>;
}>>;
declare const Account: Check<ObjectValue<{
    since: typeof number;
    total: Check<ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>;
    months: Check<Record<string, ObjectValue<{
        total: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
        models: Check<Record<string, ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>>;
    }>>>;
    nonstandard: Check<boolean | undefined>;
    recent: Check<ObjectValue<{
        at: typeof number;
        model: typeof string;
        stats: Check<ObjectValue<{
            usd: typeof number;
            input: typeof number;
            output: typeof number;
            cacheRead: typeof number;
            cacheWrite: typeof number;
            requests: typeof number;
            unpriced: typeof number;
        }>>;
    }>[]>;
    current: Check<ObjectValue<{
        start: typeof number;
        expectedReset: typeof number;
        source: Check<"inferred" | "manual" | "session-history">;
        partial: typeof boolean;
        summary: Check<ObjectValue<{
            total: Check<ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>;
            models: Check<Record<string, ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>>;
        }>>;
        approximate: Check<boolean | undefined>;
        quota: Check<ObjectValue<{
            at: typeof number;
            usedPercent: (value: unknown) => value is number;
            usd: typeof number;
        }> | undefined>;
        quotaPerUsd: Check<number | undefined>;
    }> | undefined>;
    closed: Check<Record<string, ObjectValue<{
        start: typeof number;
        expectedReset: typeof number;
        source: Check<"inferred" | "manual" | "session-history">;
        partial: typeof boolean;
        summary: Check<ObjectValue<{
            total: Check<ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>;
            models: Check<Record<string, ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>>;
        }>>;
        approximate: Check<boolean | undefined>;
        quota: Check<ObjectValue<{
            at: typeof number;
            usedPercent: (value: unknown) => value is number;
            usd: typeof number;
        }> | undefined>;
        quotaPerUsd: Check<number | undefined>;
        end: typeof number;
        closedAt: typeof number;
        reason: Check<"backfill" | "early" | "gap" | "scheduled">;
        quotaEstimate: Check<number | undefined>;
    }>>>;
    previous: Check<string | undefined>;
    unassignedUsd: typeof number;
    missingWeeklyObservations: typeof number;
    recordingGaps: typeof number;
    lastObservation: Check<number | undefined>;
    manualResetAt: Check<number | undefined>;
    history: Check<ObjectValue<{
        from: typeof number;
        to: typeof number;
        windowStart: typeof number;
        root: typeof string;
        coverage: Check<ObjectValue<{
            sessions: typeof number;
            skippedCopies: typeof number;
            incompleteEntries: typeof number;
            unattributedUsage: typeof number;
            unreadablePaths: Check<number | undefined>;
            warnings: Check<string[]>;
        }>>;
        importedAt: typeof number;
        accountIdentity: Check<"unverified">;
    }> | undefined>;
}>>;
declare const Ledger: Check<ObjectValue<{
    version: Check<1>;
    accounts: Check<Record<string, ObjectValue<{
        since: typeof number;
        total: Check<ObjectValue<{
            total: Check<ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>;
            models: Check<Record<string, ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>>;
        }>>;
        months: Check<Record<string, ObjectValue<{
            total: Check<ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>;
            models: Check<Record<string, ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>>;
        }>>>;
        nonstandard: Check<boolean | undefined>;
        recent: Check<ObjectValue<{
            at: typeof number;
            model: typeof string;
            stats: Check<ObjectValue<{
                usd: typeof number;
                input: typeof number;
                output: typeof number;
                cacheRead: typeof number;
                cacheWrite: typeof number;
                requests: typeof number;
                unpriced: typeof number;
            }>>;
        }>[]>;
        current: Check<ObjectValue<{
            start: typeof number;
            expectedReset: typeof number;
            source: Check<"inferred" | "manual" | "session-history">;
            partial: typeof boolean;
            summary: Check<ObjectValue<{
                total: Check<ObjectValue<{
                    usd: typeof number;
                    input: typeof number;
                    output: typeof number;
                    cacheRead: typeof number;
                    cacheWrite: typeof number;
                    requests: typeof number;
                    unpriced: typeof number;
                }>>;
                models: Check<Record<string, ObjectValue<{
                    usd: typeof number;
                    input: typeof number;
                    output: typeof number;
                    cacheRead: typeof number;
                    cacheWrite: typeof number;
                    requests: typeof number;
                    unpriced: typeof number;
                }>>>;
            }>>;
            approximate: Check<boolean | undefined>;
            quota: Check<ObjectValue<{
                at: typeof number;
                usedPercent: (value: unknown) => value is number;
                usd: typeof number;
            }> | undefined>;
            quotaPerUsd: Check<number | undefined>;
        }> | undefined>;
        closed: Check<Record<string, ObjectValue<{
            start: typeof number;
            expectedReset: typeof number;
            source: Check<"inferred" | "manual" | "session-history">;
            partial: typeof boolean;
            summary: Check<ObjectValue<{
                total: Check<ObjectValue<{
                    usd: typeof number;
                    input: typeof number;
                    output: typeof number;
                    cacheRead: typeof number;
                    cacheWrite: typeof number;
                    requests: typeof number;
                    unpriced: typeof number;
                }>>;
                models: Check<Record<string, ObjectValue<{
                    usd: typeof number;
                    input: typeof number;
                    output: typeof number;
                    cacheRead: typeof number;
                    cacheWrite: typeof number;
                    requests: typeof number;
                    unpriced: typeof number;
                }>>>;
            }>>;
            approximate: Check<boolean | undefined>;
            quota: Check<ObjectValue<{
                at: typeof number;
                usedPercent: (value: unknown) => value is number;
                usd: typeof number;
            }> | undefined>;
            quotaPerUsd: Check<number | undefined>;
            end: typeof number;
            closedAt: typeof number;
            reason: Check<"backfill" | "early" | "gap" | "scheduled">;
            quotaEstimate: Check<number | undefined>;
        }>>>;
        previous: Check<string | undefined>;
        unassignedUsd: typeof number;
        missingWeeklyObservations: typeof number;
        recordingGaps: typeof number;
        lastObservation: Check<number | undefined>;
        manualResetAt: Check<number | undefined>;
        history: Check<ObjectValue<{
            from: typeof number;
            to: typeof number;
            windowStart: typeof number;
            root: typeof string;
            coverage: Check<ObjectValue<{
                sessions: typeof number;
                skippedCopies: typeof number;
                incompleteEntries: typeof number;
                unattributedUsage: typeof number;
                unreadablePaths: Check<number | undefined>;
                warnings: Check<string[]>;
            }>>;
            importedAt: typeof number;
            accountIdentity: Check<"unverified">;
        }> | undefined>;
    }>>>;
    historyOwner: Check<string | undefined>;
}>>;
export type SpendStats = Static<typeof Stats>;
export type SpendSummary = Static<typeof Summary>;
export type CodexSpend = Static<typeof Spend>;
export type UsagePeriod = Static<typeof Period>;
export type UsageAccount = Static<typeof Account>;
export type UsageLedger = Static<typeof Ledger>;
export type UsageHistoryScan = Static<typeof HistoryScan>;
export declare function parseUsageHistory(value: unknown): UsageHistoryScan;
export declare function parseUsageLedger(value: unknown): UsageLedger;
export declare function emptyStats(): SpendStats;
export declare function emptySummary(): SpendSummary;
export {};