Stream of securitypolicyviolation events handled by this Document.
Source
@DomName('Document.onsecuritypolicyviolation')
@DocsEditable()
// https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#widl-Document-onsecuritypolicyviolation
@Experimental()
Stream<SecurityPolicyViolationEvent> get onSecurityPolicyViolation => securityPolicyViolationEvent.forTarget(this);