import { KeyPairSigner } from '@solana/kit';

/** Default Solana tool suite local keypair path */
declare const DEFAULT_CLI_KEYPAIR_PATH = "~/.config/solana/id.json";

/**
 * Load a `CryptoKeyPair` from a filesystem wallet json file
 * (i.e. those generated by the `solana-keygen` command)
 *
 * @param filePath - file path to a json keypair file, default={@link DEFAULT_CLI_KEYPAIR_PATH}
 */
declare function loadKeypairFromFile(filePath?: string): Promise<CryptoKeyPair>;
/**
 * Load a `KeyPairSigner` from a filesystem wallet json file
 * (i.e. those generated by the `solana-keygen` command)
 *
 * @param filePath - file path to a json keypair file, default={@link DEFAULT_CLI_KEYPAIR_PATH}
 */
declare function loadKeypairSignerFromFile(filePath?: string): Promise<KeyPairSigner>;
/**
 * Load a `CryptoKeyPair` from an environment variable
 * (i.e. those generated by the `solana-keygen` command)
 *
 * Note: for base58 encoded keypairs in environment variables use {@link loadKeypairFromEnvironmentBase58}
 *
 * @param variableName - environment variable name accessible via `process.env[variableName]`
 */
declare function loadKeypairFromEnvironment<TName extends keyof NodeJS.ProcessEnv | string>(variableName: TName): Promise<CryptoKeyPair>;
/**
 * Load a `KeyPairSigner` from a environment variable
 * (i.e. those generated by the `solana-keygen` command)
 *
 * Note: for base58 encoded keypairs in environment variables use {@link loadKeypairSignerFromEnvironmentBase58}
 *
 * @param variableName - environment variable name accessible via `process.env[variableName]`
 */
declare function loadKeypairSignerFromEnvironment<TName extends keyof NodeJS.ProcessEnv | string>(variableName: TName): Promise<KeyPairSigner>;

/**
 * Load a `CryptoKeyPair` from an environment variable containing a base58 encoded keypair
 *
 * @param variableName - environment variable name accessible via `process.env[variableName]`
 */
declare function loadKeypairFromEnvironmentBase58<TName extends keyof NodeJS.ProcessEnv | string>(variableName: TName): Promise<CryptoKeyPair>;
/**
 * Load a `KeyPairSigner` from an environment variable containing a base58 encoded keypair
 *
 * @param variableName - environment variable name accessible via `process.env[variableName]`
 */
declare function loadKeypairSignerFromEnvironmentBase58<TName extends keyof NodeJS.ProcessEnv | string>(variableName: TName): Promise<KeyPairSigner>;

/**
 * Save an extractable `CryptoKeyPair` to a filesystem wallet json file
 * (i.e. same format as those generated by the `solana-keygen` command)
 *
 * @param keypair - an extractable `CryptoKeyPair`
 * @param filePath - path to file where the keypair will be saved
 */
declare function saveKeypairToFile(keypair: CryptoKeyPair, filePath: string): Promise<boolean>;
/**
 * Save an extractable `KeyPairSigner` to a filesystem wallet json file
 * (i.e. same format as those generated by the `solana-keygen` command)
 *
 * @param keypairSigner - an extractable `KeyPairSigner`
 * @param filePath - path to file where the keypair will be saved
 */
declare function saveKeypairSignerToFile(keypairSigner: KeyPairSigner, filePath: string): Promise<boolean>;
/**
 * Save an extractable `CryptoKeyPair` to a local environment file (e.g. `.env`)
 * (i.e. same format as those generated by the `solana-keygen` command)
 *
 * @param keypair - an extractable `CryptoKeyPair`
 * @param variableName - environment variable name accessible via `process.env[variableName]` after env file is loaded
 * @param envFilePath - environment variable file path, default = `.env` in the current working directory
 */
declare function saveKeypairToEnvFile(keypair: CryptoKeyPair, variableName: string, envFilePath?: string): Promise<void>;
/**
 * Save an extractable `KeyPairSigner` to a filesystem wallet json file
 * (i.e. same format as those generated by the `solana-keygen` command)
 *
 * @param keypairSigner - an extractable `KeyPairSigner`
 * @param variableName - environment variable name accessible via `process.env[variableName]` after env file is loaded
 * @param envFilePath - environment variable file path, default = `.env` in the current working directory
 */
declare function saveKeypairSignerToEnvFile(keypairSigner: KeyPairSigner, variableName: string, envFilePath?: string): Promise<void>;

export { DEFAULT_CLI_KEYPAIR_PATH, loadKeypairFromEnvironment, loadKeypairFromEnvironmentBase58, loadKeypairFromFile, loadKeypairSignerFromEnvironment, loadKeypairSignerFromEnvironmentBase58, loadKeypairSignerFromFile, saveKeypairSignerToEnvFile, saveKeypairSignerToFile, saveKeypairToEnvFile, saveKeypairToFile };