import { AccountMeta, PublicKey, TransactionInstruction } from '@xoneorg/web3.js';
import { TokenInstruction } from './types.js';
/** TODO: docs */
export interface UpdateTokenIconInstructionData {
    instruction: TokenInstruction.UpdateIcon;
    icon: Uint8Array;
}
/** TODO: docs */
export declare const updateTokenIconInstructionData: import("@xoneorg/buffer-layout").Structure<UpdateTokenIconInstructionData>;
/**
 * Construct an createUpdateTokenIcon instruction
 *
 * @param mintMetaAuthority   Minting authority
 * @param icon            Token name
 * @param programId       SPL Token program account
 *
 * @return Instruction to add to a transaction
 */
export declare function createUpdateTokenIconInstruction(mintMeta: PublicKey, mintMetaAuthority: PublicKey, icon: String, programId?: PublicKey): TransactionInstruction;
/** A decoded, valid UpdateTokenIcon instruction */
export interface DecodedUpdateTokenIconInstruction {
    programId: PublicKey;
    keys: {
        mintMeta: AccountMeta;
        mintMetaAuthority: AccountMeta;
    };
    data: {
        instruction: TokenInstruction.UpdateIcon;
        icon: String;
    };
}
/**
 * Decode an UpdateTokenIcon instruction and validate it
 *
 * @param instruction Transaction instruction to decode
 * @param programId   SPL Token program account
 *
 * @return Decoded, valid instruction
 */
export declare function decodeTokenIconInstruction(instruction: TransactionInstruction, programId?: PublicKey): DecodedUpdateTokenIconInstruction;
/** A decoded, non-validated UpdateTokenIcon instruction */
export interface DecodedTokenIconInstructionUnchecked {
    programId: PublicKey;
    keys: {
        mintMeta: AccountMeta | undefined;
        mintMetaAuthority: AccountMeta | undefined;
    };
    data: {
        instruction: number;
        icon: String;
    };
}
/**
 * Decode an UpdateTokenIcon instruction without validating it
 *
 * @param instruction Transaction instruction to decode
 *
 * @return Decoded, non-validated instruction
 */
export declare function decodeTokenIconInstructionUnchecked({ programId, keys: [mintMeta, mintMetaAuthority], data, }: TransactionInstruction): DecodedTokenIconInstructionUnchecked;
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