import { PublicKey } from '@solana/web3.js';
export declare const MemberPointerExtensionType = 21;
/**
 * Create instruction to initialize member pointer for a token
 * @param mint - Mint address
 * @param memberMint - Mint address of the token that this token is a member of
 * @param programId - Token Extension Program ID
 * @returns Instruction to initialize member pointer
 */
export declare function createInitializeMemberPointerInstruction(mint: PublicKey, memberMint: PublicKey, programId?: PublicKey): any;
/**
 * Class for managing member pointers in token groups
 */
export declare class MemberPointerExtension {
    /**
     * Create instruction to initialize member pointer for a token
     * @param mint - Mint address
     * @param memberMint - Mint address of the token that this token is a member of
     * @param programId - Token Extension Program ID
     * @returns Instruction to initialize member pointer
     */
    static createInitializeMemberPointerInstruction(mint: PublicKey, memberMint: PublicKey, programId?: PublicKey): any;
    /**
     * Check if a token is a member of a token group
     * @param connection - Connection to Solana cluster
     * @param mint - Mint address of the token
     * @param groupMint - Mint address of the token group
     * @returns Promise<boolean> - True if token is a member of the group
     */
    static isMemberOfGroup(): Promise<boolean>;
}