import { Contract, Provider } from 'ethers';
import { OpenInterest, Utilization, Skew } from '../types';
import { PairsCache } from './pairs_cache';
/**
 * RPC module for retrieving category-level parameters
 */
export declare class CategoryParametersRPC {
    private provider;
    private pairStorageContract;
    private pairsCache;
    constructor(provider: Provider, pairStorageContract: Contract, pairsCache: PairsCache);
    /**
     * Get open interest limits per category
     * Note: Group OI limits are calculated from pair backend data
     * @returns Map of group index to OI limits
     */
    getOILimits(): Promise<Map<number, OpenInterest>>;
    /**
     * Get current open interest per category
     * Note: Calculated by summing pair OIs in each group
     * @returns Map of group index to OI
     */
    getOI(): Promise<Map<number, OpenInterest>>;
    /**
     * Get utilization per category
     * @returns Map of group index to utilization
     */
    getUtilization(): Promise<Map<number, Utilization>>;
    /**
     * Get category skew (long / total)
     * @returns Map of group index to skew
     */
    getCategorySkew(): Promise<Map<number, Skew>>;
}