import { BlockDataType } from '../../../enumerations/blockDataType';
import { BlockSize } from '../../../enumerations/blockSize';
import { BlockType } from '../../../enumerations/blockType';
/**
 * IBlockMetadata defines the metadata structure for blocks in the Owner Free Filesystem (OFF).
 * Metadata serves several critical purposes:
 * 1. Block identification and validation
 * 2. Storage and retrieval optimization
 * 3. Operation tracking and auditing
 * 4. Layer-specific information storage
 *
 * Metadata Organization:
 * - Core fields: Required for all blocks (size, type, etc.)
 * - Optional fields: Used by specific block types
 * - Custom fields: Added through the Record<string, unknown> extension
 */
export interface IBaseBlockMetadata {
    /**
     * The block's size category.
     * Used for:
     * 1. Storage allocation
     * 2. Operation validation
     * 3. Performance optimization
     */
    get size(): BlockSize;
    /**
     * The block's type classification.
     * Used for:
     * 1. Block handling
     * 2. Operation routing
     * 3. Feature support
     */
    get type(): BlockType;
    /**
     * The type of data stored in the block.
     * Used for:
     * 1. Data processing
     * 2. Format validation
     * 3. Operation selection
     */
    get dataType(): BlockDataType;
    /**
     * Original data length before encryption and padding.
     * Used for:
     * 1. Encryption overhead tracking
     * 2. Decryption validation
     * 3. Storage optimization
     */
    get lengthWithoutPadding(): number;
    /**
     * Block creation timestamp.
     * Used for:
     * 1. Versioning
     * 2. Auditing
     * 3. Lifecycle management
     *
     * Stored as ISO string for JSON compatibility
     */
    get dateCreated(): Date;
}
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