/**
 * Finds a CLI executable path
 * @param toolName The name of the CLI tool (e.g., 'helm', 'argo')
 * @param versionArgs Arguments to check version (e.g., ['version', '--short'])
 * @returns Promise with the executable path or null if not found
 */
export declare function findCliExecutable(toolName: string, versionArgs?: string[]): Promise<string | null>;
/**
 * Executes a CLI command for any tool
 * @param toolName The name of the CLI tool
 * @param args Array of command arguments
 * @param executablePath Optional executable path (for fallback scenarios)
 * @param timeoutEnvVar Environment variable name for timeout (e.g., 'HELM_TIMEOUT', 'ARGO_TIMEOUT')
 * @returns Promise with the command output
 */
export declare function executeCliCommand(toolName: string, args: string[], executablePath?: string, timeoutEnvVar?: string): Promise<any>;
/**
 * Validates that a CLI tool is available with fallback detection
 * @param toolName The name of the CLI tool
 * @param versionArgs Arguments to check version (e.g., ['version', '--short'])
 * @param timeoutEnvVar Environment variable name for timeout
 */
export declare function validateCli(toolName: string, versionArgs?: string[], timeoutEnvVar?: string): Promise<void>;
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