/** Create a single cyberlink between two CIDs */
export declare function createCyberlink(fromCid: string, toCid: string): Promise<{
    neuron: string;
    from: string;
    to: string;
    txHash: string;
    height: number;
    gasUsed: bigint;
    gasWanted: bigint;
    code: number;
}>;
/** Create multiple cyberlinks in a single transaction */
export declare function createCyberlinks(links: Array<{
    from: string;
    to: string;
}>): Promise<{
    neuron: string;
    linkCount: number;
    txHash: string;
    height: number;
    gasUsed: bigint;
    gasWanted: bigint;
    code: number;
}>;
/**
 * Investmint: convert HYDROGEN into millivolt or milliampere for a time period.
 * Resource is either "millivolt" or "milliampere".
 * Length is the number of base periods (each period = ~5 days / 100800 blocks).
 */
export declare function investmint(amount: string, resource: string, length: number): Promise<{
    neuron: string;
    amount: string;
    resource: string;
    length: number;
    txHash: string;
    height: number;
    gasUsed: bigint;
    gasWanted: bigint;
    code: number;
}>;
/** Pin text content to IPFS and return the CID */
export declare function pinContent(content: string): Promise<{
    cid: string;
    size: number;
}>;
/**
 * Compound operation: pin content to IPFS then create a cyberlink.
 * Links fromCid → new content CID (or new content CID → toCid, or both).
 */
export declare function createKnowledge(content: string, fromCid?: string, toCid?: string): Promise<{
    cid: string;
    links: never[];
    note: string;
} | {
    cid: string;
    neuron: string;
    links: {
        from: string;
        to: string;
    }[];
    txHash: string;
    height: number;
    gasUsed: bigint;
    gasWanted: bigint;
    code: number;
    note?: undefined;
}>;