# SMB3 Lease Feature - Detailed Design Document

## 1. Overview

SMB3 leases provide a client caching mechanism that replaces the traditional oplock mechanism. Leases enable better performance through client-side caching while maintaining cache coherency across multiple clients.

## 2. Protocol Specification Reference

- **MS-SMB2 Section 2.2.13**: SMB2 CREATE Request with Lease Context
- **MS-SMB2 Section 2.2.14**: SMB2 CREATE Response with Lease State

    public static final String CONTENTS_READING_ANALYZER = "contents_reading_analyzer";
    /** Field name for field analyzer mapping. */
    public static final String FIELD_ANALYZER_MAPPING = "fieldAnalyzerMapping";

    /** Document type name. */
    public static final String DOC_TYPE_NAME = "_doc";

    /** OpenSearch client. */
    protected final Client client;
    /** Analyzer settings index name. */

	},
	ErrInvalidPolicyDocument: {
		Code:           "InvalidPolicyDocument",
		Description:    "The content of the form does not meet the conditions specified in the policy document.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrAccessDenied: {
		Code:           "AccessDenied",
		Description:    "Access Denied.",
		HTTPStatusCode: http.StatusForbidden,
	},
	ErrBadDigest: {

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