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