import type { StoragePort, CoinFetcher, SpendableCoin } from './adapters.js';
export type { SpendableCoin } from './adapters.js';
export declare class CoinSelectionError extends Error {
    readonly code: 'FETCH_FAILED' | 'INSUFFICIENT_FUNDS' | 'SERVICE_UNAVAILABLE' | 'NETWORK_ERROR' | 'INVALID_TARGET';
    readonly details?: Record<string, any> | undefined;
    constructor(message: string, code: 'FETCH_FAILED' | 'INSUFFICIENT_FUNDS' | 'SERVICE_UNAVAILABLE' | 'NETWORK_ERROR' | 'INVALID_TARGET', details?: Record<string, any> | undefined);
}
export interface CoinSelectionResult {
    selectedCoins: SpendableCoin[];
    totalSelected: string;
    change: string;
    insufficientFunds: boolean;
    fromAddresses: string[];
}
export type SendMode = 'global' | 'focused';
export interface CoinSelectionOptions {
    mode: SendMode;
    targetAmount: string;
    tokenId?: string;
    focusedAddress?: string;
    excludedAddresses?: string[];
}
export declare function parseDecimalToBigInt(value: string): bigint;
export declare function bigIntToDecimalString(value: bigint): string;
export declare function addDecimalStrings(a: string, b: string): string;
export declare function subtractDecimalStrings(a: string, b: string): string;
export declare function compareDecimal(a: string, b: string): number;
export declare function isPositive(value: string): boolean;
export declare class CoinSelectionService {
    private excludedAddresses;
    private storage;
    private fetcher;
    constructor(fetcher: CoinFetcher, storage?: StoragePort);
    loadExcludedAddresses(): Promise<void>;
    saveExcludedAddresses(): Promise<void>;
    addExcludedAddress(address: string): void;
    removeExcludedAddress(address: string): void;
    getExcludedAddresses(): string[];
    isAddressExcluded(address: string): boolean;
    fetchSpendableCoins(addresses: string[], tokenId?: string): Promise<SpendableCoin[]>;
    orderCoinsByAmount(coins: SpendableCoin[]): SpendableCoin[];
    selectCoins(coins: SpendableCoin[], options: CoinSelectionOptions): CoinSelectionResult;
    selectCoinsForSend(allAddresses: string[], options: CoinSelectionOptions): Promise<CoinSelectionResult>;
    formatCoinInputs(coins: SpendableCoin[]): Array<{
        coinId: string;
    }>;
}