import type { AccountMeta, PublicKey, Signer } from '@solana/web3.js';
import { TransactionInstruction } from '@solana/web3.js';
import { TokenInstruction } from './types.js';
/** TODO: docs */
export interface UnwrapLamportsInstructionData {
    instruction: TokenInstruction.UnwrapLamports;
    amount: bigint | null;
}
/** TODO: docs */
export declare const unwrapLamportsInstructionData: import("@solana/buffer-layout").Structure<UnwrapLamportsInstructionData>;
/**
 * Construct a UnwrapLamports instruction
 *
 * @param source       Native source account
 * @param destination  Account receiving the lamports
 * @param owner        Owner of the source account
 * @param amount       Amount of lamports to unwrap
 * @param multiSigners Signing accounts if `owner` is a multisig
 * @param programId    SPL Token program account
 *
 * @return Instruction to add to a transaction
 */
export declare function createUnwrapLamportsInstruction(source: PublicKey, destination: PublicKey, owner: PublicKey, amount: bigint | null, multiSigners: (Signer | PublicKey)[] | undefined, programId: PublicKey): TransactionInstruction;
/** A decoded, valid UnwrapLamports instruction */
export interface DecodedUnwrapLamportsInstruction {
    programId: PublicKey;
    keys: {
        source: AccountMeta;
        destination: AccountMeta;
        owner: AccountMeta;
        multiSigners: AccountMeta[];
    };
    data: {
        instruction: TokenInstruction.UnwrapLamports;
        amount: bigint | null;
    };
}
/**
 * Decode a UnwrapLamports instruction and validate it
 *
 * @param instruction Transaction instruction to decode
 * @param programId   SPL Token program account
 *
 * @return Decoded, valid instruction
 */
export declare function decodeUnwrapLamportsInstruction(instruction: TransactionInstruction, programId: PublicKey): DecodedUnwrapLamportsInstruction;
/** A decoded, non-validated UnwrapLamports instruction */
export interface DecodedUnwrapLamportsInstructionUnchecked {
    programId: PublicKey;
    keys: {
        source: AccountMeta | undefined;
        destination: AccountMeta | undefined;
        owner: AccountMeta | undefined;
        multiSigners: AccountMeta[];
    };
    data: {
        instruction: number;
        amount: bigint | null;
    };
}
/**
 * Decode a UnwrapLamports instruction without validating it
 *
 * @param instruction Transaction instruction to decode
 *
 * @return Decoded, non-validated instruction
 */
export declare function decodeUnwrapLamportsInstructionUnchecked({ programId, keys: [source, destination, owner, ...multiSigners], data, }: TransactionInstruction): DecodedUnwrapLamportsInstructionUnchecked;
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