import { HolderResponse, PortfolioSummary, TokenLikeItem, PresaleResponse } from './client';
/**
 * Calculate portfolio summary from holder response
 */
export declare function calculatePortfolioSummary(holder: HolderResponse): PortfolioSummary;
/**
 * Check if a presale is currently active
 */
export declare function isPresaleActive(presale: PresaleResponse): boolean;
/**
 * Calculate presale progress percentage
 */
export declare function getPresaleProgress(presale: PresaleResponse): number;
/**
 * Calculate time remaining for presale in milliseconds
 */
export declare function getPresaleTimeRemaining(presale: PresaleResponse): number;
/**
 * Format time remaining in human readable format
 */
export declare function formatTimeRemaining(milliseconds: number): string;
/**
 * Filter tokens by type
 */
export declare function filterTokensByType(tokens: TokenLikeItem[], type: 'token' | 'presale' | 'lock'): TokenLikeItem[];
/**
 * Calculate total value of tokens
 */
export declare function calculateTotalValue(tokens: TokenLikeItem[]): number;
/**
 * Find token by symbol or address
 */
export declare function findToken(tokens: TokenLikeItem[], symbolOrAddress: string): TokenLikeItem | undefined;
/**
 * Sort tokens by value (descending)
 */
export declare function sortTokensByValue(tokens: TokenLikeItem[]): TokenLikeItem[];
/**
 * Get unlocked tokens (not in vaults)
 */
export declare function getUnlockedTokens(holder: HolderResponse): TokenLikeItem[];
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