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qubit_metadata/schema/
unknown_field_policy.rs

1/*******************************************************************************
2 *
3 *    Copyright (c) 2025 - 2026.
4 *    Haixing Hu, Qubit Co. Ltd.
5 *
6 *    All rights reserved.
7 *
8 ******************************************************************************/
9//! [`UnknownFieldPolicy`] — handling for schema-unknown metadata keys.
10
11use serde::{Deserialize, Serialize};
12
13/// Policy for fields that appear in metadata but are not declared by a schema.
14#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
15pub enum UnknownFieldPolicy {
16    /// Reject fields that are not declared in the schema.
17    #[default]
18    Reject,
19    /// Allow fields that are not declared in the schema.
20    Allow,
21}