export interface CompressionInfo {
    type: 'zstd' | 'gzip' | 'none';
    level: string;
    extension: string;
    compressCommand: string;
    decompressCommand: string;
}
export declare class CompressionDetector {
    /**
     * Check if zstd is available on localhost
     */
    static hasZstdLocal(isDdev?: boolean): Promise<boolean>;
    /**
     * Check if gzip is available on localhost
     */
    static hasGzipLocal(isDdev?: boolean): Promise<boolean>;
    /**
     * Check if zstd is available on remote server via SSH
     */
    static hasZstdRemote(ssh: any): Promise<boolean>;
    /**
     * Check if gzip is available on remote server via SSH
     */
    static hasGzipRemote(ssh: any): Promise<boolean>;
    /**
     * Detect best available compression for database operations
     * Checks both local and remote systems, returns the best available option
     * Priority: zstd (if both have it) > gzip (if both have it) > none
     */
    static detectBestCompression(ssh: any, isDdev?: boolean): Promise<CompressionInfo>;
    /**
     * Get compression info from file extension
     */
    static getCompressionFromFile(filename: string): CompressionInfo;
    /**
     * Format compression type for display
     */
    static formatCompressionType(compression: CompressionInfo): string;
}
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