/**
 * Constants and utilities for Pulumi SOPS state management
 */
/**
 * File extension for encrypted files
 */
export declare const ENCRYPTED_FILE_SUFFIX: ".enc";
/**
 * Glob patterns for unencrypted Pulumi state files
 */
export declare const PULUMI_STATE_PATTERNS: readonly ["**/.pulumi/meta.yaml", "**/.pulumi/stacks/**/*.{yaml,yml,json}"];
/**
 * Glob patterns for encrypted Pulumi state files
 */
export declare const PULUMI_ENCRYPTED_STATE_PATTERNS: readonly ["**/.pulumi/meta.yaml.enc", "**/.pulumi/stacks/**/*.{yaml,yml,json}.enc"];
/**
 * Patterns to exclude (already encrypted)
 */
export declare const PULUMI_ENCRYPTED_EXCLUDE_PATTERNS: readonly ["**/*.json.enc", "**/*.yaml.enc", "**/*.yml.enc"];
/**
 * Concurrent SOPS operations limit (conservative for GPG agent)
 */
export declare const DEFAULT_CONCURRENCY_LIMIT = 5;
/**
 * SOPS exit code for unchanged files
 */
export declare const SOPS_EXIT_CODE_UNCHANGED = 200;
/**
 * Supported file types for SOPS operations
 */
export type SopsFileType = "json" | "yaml";
/**
 * Detect file type from path
 *
 * @param filePath Path to the file
 * @returns 'json' if JSON file, 'yaml' otherwise
 */
export declare function detectFileType(filePath: string): SopsFileType;
/**
 * Get original path from encrypted file
 *
 * @param filePath Encrypted file path
 * @returns File path without .enc suffix
 */
export declare function getDecryptedPath(filePath: string): string;
/**
 * Get output path for encrypted file
 *
 * @param filePath Original file path
 * @returns File path with .enc suffix
 */
export declare function getEncryptedPath(filePath: string): string;
/**
 * Check if file is encrypted
 *
 * @param filePath File path to check
 * @returns True if file has .enc suffix
 */
export declare function isEncryptedFile(filePath: string): boolean;