---
title: DateRangeExtensions.OverlappingOptions
summary: API reference for DateRangeExtensions.OverlappingOptions.
status: draft
owner: saif-docgen
last_reviewed: 2026-09-15
library: SAIF.Framework.Common
reference_type: package
---

# DateRangeExtensions.OverlappingOptions

Nested enum controlling whether two date ranges sharing an identical boundary date count as overlapping, used by `DateRangeExtensions.IsOverlapping`. ([BR-004](../../business-rules.md#br-004-whether-shared-endpoints-count-as-an-overlap-is-caller-selectable))

## Purpose
- Nested enum controlling whether two date ranges sharing an identical boundary date count as overlapping, used by `DateRangeExtensions.IsOverlapping`. ([BR-004](../../business-rules.md#br-004-whether-shared-endpoints-count-as-an-overlap-is-caller-selectable))

## Context
- Namespace: `SAIF.Common.Extensions`
- Assembly/package: `SAIF.Framework.Common`

## Members
| Name | Value | Purpose |
| --- | --- | --- |
| `DatesMayMatch` | | Ranges sharing exactly one boundary date are considered overlapping. |
| `DatesMayNotMatch` | | Ranges must share more than a single boundary point to be considered overlapping. |


## Sources
- `Common/SAIF.Common/Extensions/DateRangeExtensions.cs`