import { AccountMeta, AccountSignerMeta, Address, ProgramDerivedAddress, TransactionSigner } from '@solana/kit';
export declare function expectSome<T>(value: T | null | undefined): T;
export declare function expectAddress<T extends string = string>(value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined): Address<T>;
export declare function expectProgramDerivedAddress<T extends string = string>(value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined): ProgramDerivedAddress<T>;
export declare function expectTransactionSigner<T extends string = string>(value: Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null | undefined): TransactionSigner<T>;
export type ResolvedAccount<T extends string = string, U extends Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null = Address<T> | ProgramDerivedAddress<T> | TransactionSigner<T> | null> = {
    isWritable: boolean;
    value: U;
};
export type InstructionWithByteDelta = {
    byteDelta: number;
};
export declare function getAccountMetaFactory(programAddress: Address, optionalAccountStrategy: "omitted" | "programId"): (account: ResolvedAccount) => AccountMeta | AccountSignerMeta | undefined;
export declare function isTransactionSigner<TAddress extends string = string>(value: Address<TAddress> | ProgramDerivedAddress<TAddress> | TransactionSigner<TAddress>): value is TransactionSigner<TAddress>;