import { type Input, type Output } from '@bitauth/libauth';
import { ExtMap } from './utils.js';
export declare class Outpoint {
    outpointTransactionHash: Uint8Array;
    outpointIndex: number;
    constructor(outpointTransactionHash: Uint8Array, outpointIndex: number);
    static fromInput(input: Pick<Input, 'outpointTransactionHash' | 'outpointIndex'>): Outpoint;
    toString(): string;
}
export declare class UTXO {
    outpoint: Outpoint;
    output: Output;
    constructor(outpoint: Outpoint, output: Output);
    static from(outpoint: Outpoint, output: Output): UTXO;
    flatten(): {
        lockingBytecode: Uint8Array<ArrayBufferLike>;
        token?: {
            amount: bigint;
            category: Uint8Array<ArrayBufferLike>;
            nft?: {
                capability: `${import("@bitauth/libauth").NonFungibleTokenCapability}`;
                commitment: Uint8Array<ArrayBufferLike>;
            } | undefined;
        } | undefined;
        valueSatoshis: bigint;
        outpointTransactionHash: Uint8Array;
        outpointIndex: number;
    };
}
export type UTXOSet = ExtMap<UTXO>;
export declare function calculateBalanceSats(unspents: Array<UTXO>): bigint;
export type TokenBalances = {
    [categoryId: string]: bigint;
};
export declare function calculateBalanceTokens(unspents: Array<UTXO>): TokenBalances;