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qubit_metadata/schema/
unknown_field_policy.rs

1/*******************************************************************************
2 *
3 *    Copyright (c) 2025 - 2026 Haixing Hu.
4 *
5 *    SPDX-License-Identifier: Apache-2.0
6 *
7 *    Licensed under the Apache License, Version 2.0.
8 *
9 ******************************************************************************/
10//! [`UnknownFieldPolicy`] — handling for schema-unknown metadata keys.
11
12use serde::{Deserialize, Serialize};
13
14/// Policy for fields that appear in metadata but are not declared by a schema.
15#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
16pub enum UnknownFieldPolicy {
17    /// Reject fields that are not declared in the schema.
18    #[default]
19    Reject,
20    /// Allow fields that are not declared in the schema.
21    Allow,
22}