import type { SpendScope, SpendStore, SpendWindow } from '../types';
export interface OutcomeSpendHold {
    holdId: string;
    scopeKey: string;
    window: SpendWindow;
    heldCents: number;
    limitCents: number;
    before: number;
    after: number;
    released: boolean;
}
export interface OutcomeSpendLedgerOptions {
    keyPrefix?: string;
}
export declare class OutcomeSpendLimitError extends Error {
    constructor(message: string);
}
export declare class OutcomeAtomicLedgerError extends Error {
    constructor(message: string);
}
export declare class OutcomeSpendLedger {
    private readonly store;
    private readonly keyPrefix;
    constructor(store: SpendStore, options?: OutcomeSpendLedgerOptions);
    authorize(args: {
        scope: SpendScope;
        window: SpendWindow;
        amountCents: number;
        limitCents: number;
    }): Promise<boolean>;
    hold(args: {
        scope: SpendScope;
        window: SpendWindow;
        amountCents: number;
        limitCents: number;
    }): Promise<OutcomeSpendHold>;
    settle(hold: OutcomeSpendHold, actualCents: number): Promise<number>;
    refund(hold: OutcomeSpendHold): Promise<number>;
    dynamicLowBalanceThreshold(limitCents: number): number;
    scopeKey(scope: SpendScope): string;
}
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