/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Adds or updates an environment variable in the shell profile
 */
export declare function persistEnvironmentVariable(key: string, value: string, comment?: string): Promise<void>;
/**
 * Persists Cerebras API configuration to shell profile
 */
export declare function persistCerebrasConfig(apiKey: string, baseUrl?: string, model?: string): Promise<void>;
/**
 * Gets the shell profile path for display to user
 */
export declare function getShellProfilePathForDisplay(): string;