/**
 * Operation cost breakdown in microunits (bigint).
 */
export declare class OperationCost {
    readonly computation: bigint;
    readonly storage: bigint;
    readonly network: bigint;
    readonly proofOfWork: bigint;
    constructor(computation: bigint, storage: bigint, network: bigint, proofOfWork?: bigint);
    get totalMicrojoules(): bigint;
    /**
     * @deprecated Alias for {@link totalMicrojoules} — retained for grep
     * compatibility. Returns `bigint` microunits, not floating-point joules.
     */
    get totalJoules(): bigint;
    /**
     * Create zero-cost operation
     */
    static zero(): OperationCost;
    /**
     * Add two operation costs
     */
    add(other: OperationCost): OperationCost;
}
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