/**
 * @file errors.ts
 * @description Custom error classes for the Inkd Protocol SDK.
 */
/** Base error class for all Inkd SDK errors. */
export declare class InkdError extends Error {
    readonly code: string;
    constructor(message: string, code: string);
}
/** Thrown when a wallet does not hold any InkdToken. */
export declare class NotInkdHolder extends InkdError {
    readonly address: string;
    constructor(address: string);
}
/** Thrown when there are insufficient funds for an operation. */
export declare class InsufficientFunds extends InkdError {
    readonly required: bigint;
    readonly available: bigint;
    constructor(required: bigint, available: bigint);
}
/** Thrown when a token ID does not exist. */
export declare class TokenNotFound extends InkdError {
    readonly tokenId: bigint;
    constructor(tokenId: bigint);
}
/** Thrown when an inscription index is out of bounds. */
export declare class InscriptionNotFound extends InkdError {
    readonly tokenId: bigint;
    readonly index: number;
    constructor(tokenId: bigint, index: number);
}
/** Thrown when the caller is not the owner of the token. */
export declare class NotTokenOwner extends InkdError {
    readonly tokenId: bigint;
    readonly caller: string;
    constructor(tokenId: bigint, caller: string);
}
/** Thrown when the client is not connected. */
export declare class ClientNotConnected extends InkdError {
    constructor();
}
/** Thrown when the Arweave client is not connected. */
export declare class ArweaveNotConnected extends InkdError {
    constructor();
}
/** Thrown when a transaction fails on-chain. */
export declare class TransactionFailed extends InkdError {
    readonly txHash?: string;
    constructor(message: string, txHash?: string);
}
/** Thrown when max supply has been reached. */
export declare class MaxSupplyReached extends InkdError {
    constructor();
}
/** Thrown when encryption/decryption fails. */
export declare class EncryptionError extends InkdError {
    constructor(message: string);
}
/** Thrown when an Arweave upload fails. */
export declare class UploadError extends InkdError {
    constructor(message: string);
}
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