import { Status } from "./Status";
export interface Change<T extends Change.Operand = Change.Operand> {
    type: T;
    amount: number;
    status: Status;
    result?: number;
}
export declare namespace Change {
    const operand: readonly ["add", "subtract"];
    type Operand = (typeof operand)[number];
    const type: import("isly/dist/cjs/object").IslyObject<Change<"add" | "subtract">, object>;
    namespace Add {
        const type: import("isly/dist/cjs/object").IslyObject<Change<"add">, Change<"add" | "subtract">>;
    }
    namespace Subtract {
        const type: import("isly/dist/cjs/object").IslyObject<Change<"subtract">, Change<"add" | "subtract">>;
    }
}