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use indexmap::IndexMap;
use serde::{Deserialize, Serialize};

/// When request bodies or response payloads may be one of a number of different schemas,
/// a discriminator object can be used to aid in serialization, deserialization,
/// and validation. The discriminator is a specific object in a schema which is
/// used to inform the consumer of the specification of an alternative schema based
/// on the value associated with it.
///
/// When using the discriminator, inline schemas will not be considered.
#[derive(Serialize, Deserialize, Debug, Clone, Default, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct Discriminator {
    /// REQUIRED. The name of the property in the payload that
    /// will hold the discriminator value.
    pub property_name: String,
    /// An object to hold mappings between payload values and schema names or references.
    #[serde(default, skip_serializing_if = "IndexMap::is_empty")]
    pub mapping: IndexMap<String, String>,
    /// Inline extensions to this object.
    #[serde(flatten, deserialize_with = "crate::util::deserialize_extensions")]
    pub extensions: IndexMap<String, serde_json::Value>,
}