/**
 * Utility functions for OP Predict
 */
declare const ADMIN_USER_IDS: string[];
declare function isAdmin(userId: string): boolean;
/**
 * Generates a UUID using the Web Crypto API which is available in both
 * Node.js and edge runtime environments. This replaces the Node.js-specific
 * crypto.randomUUID() function.
 *
 * @returns A UUID v4 string
 */
declare function generateUUID(): string;
/**
 * Calculate outcome percentages based on staked amounts with fallback to votes
 * @param outcomes Market outcomes
 * @returns Outcomes with percentages and a flag indicating if vote-based fallback was used
 */
declare function calculateOutcomePercentages(outcomes: {
    id: number;
    name: string;
    amount?: number;
    votes?: number;
}[]): {
    outcomesWithPercentages: {
        percentage: number;
        id: number;
        name: string;
        amount?: number;
        votes?: number;
    }[];
    useFallbackVotes: boolean;
};
/**
 * Safely get the base URL of the application without causing SSR issues
 * with window access
 */
declare function getBaseUrl(): string;
type MarketStatus = 'active' | 'resolved' | 'cancelled' | 'closed' | 'all';
type MarketType = 'binary' | 'multiple' | 'all';
type SortField = 'createdAt' | 'endDate' | 'poolAmount' | 'participants';
type SortDirection = 'asc' | 'desc';
interface MarketQueryOptions {
    status?: MarketStatus;
    category?: string;
    type?: MarketType;
    search?: string;
    creatorId?: string;
    limit?: number;
    offset?: number;
    cursor?: string;
    sortBy?: SortField;
    sortDirection?: SortDirection;
    resolvedOutcomeId?: number;
    resolvedAt?: string;
    resolvedBy?: string;
    adminFee?: number;
    remainingPot?: number;
    totalWinningAmount?: number;
}
interface PaginatedResult<T> {
    items: T[];
    total: number;
    hasMore: boolean;
    nextCursor?: string;
}
/**
 * Simple text search for markets
 * Searches for terms in name and description
 */
declare function searchMarketText(market: any, searchText: string): boolean;
/**
 * Filter markets by multiple criteria
 */
declare function filterMarkets(markets: any[], options?: MarketQueryOptions): any[];
/**
 * Sort markets by specified field and direction
 */
declare function sortMarkets(markets: any[], sortBy?: SortField, sortDirection?: SortDirection): any[];
/**
 * Apply pagination to results
 */
declare function paginateResults<T>(items: T[], options: {
    limit?: number;
    offset?: number;
}): PaginatedResult<T>;

export { ADMIN_USER_IDS, type MarketQueryOptions, type MarketStatus, type MarketType, type PaginatedResult, type SortDirection, type SortField, calculateOutcomePercentages, filterMarkets, generateUUID, getBaseUrl, isAdmin, paginateResults, searchMarketText, sortMarkets };