export interface CommonBlockData {
    /** The PoW. You can give it a `null` if you want to fill this field later */
    work: string | null;
    /** The resulting balance */
    balance: string;
    /** The representative address */
    representative: string;
}
export interface OpenBlockData {
    /** Open block, previous is `null` */
    previous: null;
    /** Open block, link is the pairing send block hash, in hexadecimal format */
    link: string;
}
export interface ChangeBlockData {
    /** Change block, previous is the hash of the previous block on the account chain, in hexadecimal format */
    previous: string;
    /** Change block, link is `null` */
    link: null;
}
export interface SendBlockData {
    /** Send block, previous is the hash of the previous block on the account chain, in hexadecimal format */
    previous: string;
    /** Send block, link is the destination address, in address format */
    link: string;
}
export interface ReceiveBlockData {
    /** Receive block, previous is the hash of the previous block on the account chain, in hexadecimal format */
    previous: string;
    /** Receive block, link is the pairing send block hash, in hexadecimal format */
    link: string;
}
/** State block data. */
export declare type BlockData = CommonBlockData & (OpenBlockData | ChangeBlockData | SendBlockData | ReceiveBlockData);
/** State block representation. */
export interface BlockRepresentation {
    type: 'state';
    account: string;
    previous: string;
    representative: string;
    balance: string;
    link: string;
    link_as_account: string;
    work: string | null;
    signature: string;
}
/** State block. */
export interface Block {
    /** The block hash */
    hash: string;
    /** The block representation */
    block: BlockRepresentation;
}
/**
 * Create a state block.
 *
 * @param secretKey - The secret key to create the block from, in hexadecimal format
 * @param data - Block data
 * @returns Block
 */
export declare function createBlock(secretKey: string, data: BlockData): Block;