You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: vulnerability.rs
    path of file: ./repos/cyclonedx-rust-cargo/cyclonedx-bom/src/models
    
    the code of the file until where you have to start completion: /*
 * This file is part of CycloneDX Rust Cargo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

use crate::external_models::{date_time::DateTime, normalized_string::NormalizedString};
use crate::models::advisory::Advisories;
use crate::models::property::Properties;
use crate::models::tool::Tools;
use crate::models::vulnerability_analysis::VulnerabilityAnalysis;
use crate::models::vulnerability_credits::VulnerabilityCredits;
use crate::models::vulnerability_rating::VulnerabilityRatings;
use crate::models::vulnerability_reference::VulnerabilityReferences;
use crate::models::vulnerability_source::VulnerabilitySource;
use crate::models::vulnerability_target::VulnerabilityTargets;
use crate::validation::{Validate, ValidationContext, ValidationPathComponent, ValidationResult};

/// Represents a vulnerability as described in the [CycloneDX use cases](https://cyclonedx.org/use-cases/#vulnerability-exploitability)
///
/// Defined via the [XML schema](https://cyclonedx.org/docs/1.4/xml/#type_vulnerabilitiesType)
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Vulnerability {
    pub bom_ref: Option<String>,
    pub id: Option<NormalizedString>,
    pub vulnerability_source: Option<VulnerabilitySource>,
    pub vulnerability_references: Option<VulnerabilityReferences>,
    pub vulnerability_ratings: Option<VulnerabilityRatings>,
    pub cwes: Option<Vec<u32>>,
    pub description: Option<String>,
    pub detail: Option<String>,
    pub recommendation: Option<String>,
    pub advisories: Option<Advisories>,
    pub created: Option<DateTime>,
    pub published: Option<DateTime>,
    pub updated: Option<DateTime>,
    pub vulnerability_credits: Option<VulnerabilityCredits>,
    pub tools: Option<Tools>,
    pub vulnerability_analysis: Option<VulnerabilityAnalysis>,
    pub vulnerability_targets: Option<VulnerabilityTargets>,
    pub properties: Option<Properties>,
}

impl Vulnerability {
    /// Construct a `Vulnerability` with a BOM reference
    /// ```
    /// use cyclonedx_bom::models::vulnerability::Vulnerability;
    ///
    /// let vulnerability = Vulnerability::new(Some("12a34a5b-6780-1bae-2345-67890cfe12a3".to_string()));
    /// ```
    pub fn new(bom_ref: Option<String>) -> Self {
        Self {
            bom_ref,
            id: None,
            vulnerability_source: None
    
    fn validate_with_context(&self, context: ValidationContext) -> ValidationResult {
        let mut results: Vec<ValidationResult> = vec![];

        if let Some(id) = &self.id {
            let context = context.with_struct("Vulnerability", "id");

            results.push(id.validate_with_context(context));
        }

        if let Some(vulnerability_source) = &self.vulnerability_source {
            let context = context.with_struct("Vulnerability", "vulnerability_source");

            results.push(vulnerability_source.validate_with_context(context));
        }

        if let Some(vulnerability_references) = &self.vulnerability_references {
            let context = context.with_struct("Vulnerability", "vulnerability_references");

            results.push(vulnerability_references.validate_with_context(context));
        }

        if let Some(vulnerability_ratings) = &self.vulnerability_ratings {
            let context = context.with_struct("Vulnerability", "vulnerability_ratings");

            results.push(vulnerability_ratings.validate_with_context(context));
        }

        if let Some(advisories) = &self.advisories {
            let context = context.with_struct("Vulnerability", "advisories");

            results.push(advisories.validate_with_context(context));
        }

        if let Some(created) = &self.created {
            let context = context.with_struct("Vulnerability", "created");

            results.push(created.validate_with_context(context));
        }

        if let Some(published) = &self.published {
            let context = context.with_struct("Vulnerability", "published");

            results.push(published.validate_with_context(context));
        }

        if let Some(updated) = &self.updated {
            let context = context.with_struct("Vulnerability", "updated");

            results.push(updated.validate_with_context(context));
        }

        if let Some(vulnerability_credits) = &self.vulnerability_credits {
            let context = context.with_struct("Vulnerability", "vulnerability_credits");

            results.push(vulnerability_credits.validate_with_context(context));
        }

        if let Some(tools) = &self.tools {
            let context = context.with_struct("Vulnerability", "tools");

            results.push(tools.validate_with_context(context));
        }

        if let Some(vulnerability_analysis) = &self.vulnerability_analysis {
            let context = context.with_struct("Vulnerability", "vulnerability_analysis");

            results.push(vulnerability_analysis.validate_with_context(context));
        }

        if let Some(vulnerability_targets) = &self.vulnerability_targets {
            let context = context.with_struct("Vulnerability", "vulnerability_targets");

            results.push(vulnerability_targets.validate_with_context(context));
        }

        if let Some(properties) = &self.properties {
            let context = context.with_struct("Vulnerability", "properties");

            results.push(properties.validate_with_context(context));
        }

        results
            .into_iter()
            .fold(ValidationResult::default(), |acc, result| acc.merge(result))
    }