/** Stable error codes for compression operations. */
export type CompressionErrorCode = 'COMPRESSION_INVALID_OPTIONS' | 'COMPRESSION_UNSUPPORTED_ALGORITHM' | 'COMPRESSION_BACKEND_UNAVAILABLE' | 'COMPRESSION_BAD_DATA' | 'COMPRESSION_RESOURCE_LIMIT' | 'COMPRESSION_GZIP_BAD_HEADER' | 'COMPRESSION_BZIP2_BAD_DATA' | 'COMPRESSION_BZIP2_CRC_MISMATCH' | 'COMPRESSION_XZ_BAD_DATA' | 'COMPRESSION_XZ_BAD_CHECK' | 'COMPRESSION_XZ_TRUNCATED' | 'COMPRESSION_XZ_UNSUPPORTED_FILTER' | 'COMPRESSION_XZ_UNSUPPORTED_CHECK' | 'COMPRESSION_LZMA_BAD_DATA';
/** Error thrown for compression backend failures or unsupported algorithms. */
export declare class CompressionError extends Error {
    /** Machine-readable error code. */
    readonly code: CompressionErrorCode;
    /** Algorithm involved in the failure, if available. */
    readonly algorithm?: string;
    /** Underlying cause, if available. */
    readonly cause?: unknown;
    /** Additional context for serialization. */
    readonly context?: Record<string, string> | undefined;
    /** Create a CompressionError with a stable code. */
    constructor(code: CompressionErrorCode, message: string, options?: {
        algorithm?: string;
        context?: Record<string, string> | undefined;
        cause?: unknown;
    });
    /** Serialize this error into the stable JSON error contract. */
    toJSON(): {
        name: string;
        code: CompressionErrorCode;
        message: string;
        context: Record<string, string>;
        algorithm?: string;
    };
}
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