/**
 * Resource class taxonomy for Joule metering.
 *
 * v1 classes mirror the fields of `OperationCost` in `brightchain-lib`.
 * Each class maps to one row in the active `IRateTable`.
 *
 * @see joule-resource-credits spec, Requirement 1.1
 */
/** Categorical bucket consumed at a per-class rate. */
export type ResourceClass = 'compute' | 'storage' | 'network' | 'proofOfWork';
/** Exhaustive list of v1 resource classes, suitable for iteration and
 *  validation. Order is stable across versions. */
export declare const RESOURCE_CLASSES: readonly ResourceClass[];
/**
 * Type guard that narrows an unknown string to `ResourceClass`.
 */
export declare function isResourceClass(value: unknown): value is ResourceClass;
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