import { ethers } from 'ethers';
export interface UploadTask {
    clientIndex: number;
    taskSize: number;
    segIndex: number;
    numShard: number;
    txSeq: number;
}
export type EncryptionOption = {
    type: 'aes256';
    key: Uint8Array;
} | {
    type: 'ecies';
    recipientPubKey: Uint8Array | string;
};
export interface UploadOption {
    tags?: ethers.BytesLike;
    submitter?: string;
    finalityRequired?: boolean;
    taskSize?: number;
    expectedReplica?: number;
    fragmentSize?: number;
    skipTx?: boolean;
    skipIfFinalized?: boolean;
    fee?: bigint;
    nonce?: bigint;
    onProgress?: (message: string) => void;
    encryption?: EncryptionOption;
}
export declare const defaultUploadOption: Omit<Required<UploadOption>, 'nonce' | 'onProgress' | 'encryption'> & {
    nonce?: bigint;
    onProgress?: (message: string) => void;
    encryption?: EncryptionOption;
};
/**
 * Merges user-provided upload options with default values
 */
export declare function mergeUploadOptions(userOptions?: UploadOption): Required<Omit<UploadOption, 'nonce' | 'onProgress' | 'encryption'>> & {
    nonce?: bigint;
    onProgress?: (message: string) => void;
    encryption?: EncryptionOption;
};
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