/**
 * Default ZIP/OPC safety ceilings for Phase 1 full-memory load.
 *
 * Recorded assumptions for TASK-1102 / `docs/specs/opc-package.md` open questions.
 * Tunable via {@link ZipReadOptions}.
 */
/** Maximum number of ZIP file entries (central directory records). */
export declare const DEFAULT_MAX_ENTRY_COUNT = 64000;
/** Maximum total uncompressed payload bytes across all entries. */
export declare const DEFAULT_MAX_UNCOMPRESSED_BYTES: number;
/** Maximum uncompressed size of a single entry. */
export declare const DEFAULT_MAX_ENTRY_UNCOMPRESSED_BYTES: number;
/** Maximum compressed size of a single entry (guards truncated bombs). */
export declare const DEFAULT_MAX_ENTRY_COMPRESSED_BYTES: number;
/**
 * Options controlling ZIP read guards.
 */
export interface ZipReadOptions {
    readonly maxEntryCount?: number;
    readonly maxUncompressedBytes?: number;
    readonly maxEntryUncompressedBytes?: number;
    readonly maxEntryCompressedBytes?: number;
}
/**
 * Resolved limits with defaults applied.
 */
export interface ResolvedZipLimits {
    readonly maxEntryCount: number;
    readonly maxUncompressedBytes: number;
    readonly maxEntryUncompressedBytes: number;
    readonly maxEntryCompressedBytes: number;
}
/**
 * Apply defaults to optional read limits.
 */
export declare function resolveZipLimits(options?: ZipReadOptions): ResolvedZipLimits;