//! Error types related to DEK caching operations.
//!
//! This module provides error types that may occur during Data Encryption Key (DEK)
//! caching operations, such as cache misses, storage failures, or invalidation issues.
use fmt;
/// Represents an error encountered when accessing or manipulating the DEK cache.
///
/// This error type is used when operations on the DEK cache fail, such as:
/// - Cache insertion failures
/// - Cache retrieval errors
/// - Cache invalidation issues
/// - Storage capacity problems
;