/**
 * @file ERC721 Tool Handlers
 * @version 1.0.0
 *
 * Tool handlers for ERC721 NFT standard operations
 */
export declare function initializeErc721Handlers(service: any): void;
export declare const erc721Handlers: {
    getERC721CollectionInfo: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
    getERC721Owner: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
    getERC721Metadata: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
    getERC721TokensOfOwner: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
    transferERC721: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
    safeTransferERC721: (args: unknown) => Promise<{
        content: {
            type: string;
            text: string;
        }[];
        isError?: undefined;
    } | {
        isError: boolean;
        content: {
            type: string;
            text: string;
        }[];
    }>;
};