ERROR,
    WARNING,
    INFO
}

public interface KaDiagnostic : KaLifetimeOwner {
    public val diagnosticClass: KClass<*>
    public val factoryName: String
    public val severity: KaSeverity

    public val defaultMessage: String
}

public typealias KtDiagnostic = KaDiagnostic

public interface KaDiagnosticWithPsi<out PSI : PsiElement> : KaDiagnostic {

/**
 * Call that contains errors.
 */
public class KaErrorCallInfo(
    candidateCalls: List<KaCall>,
    diagnostic: KaDiagnostic,
    override val token: KaLifetimeToken,
) : KaCallInfo() {
    public val candidateCalls: List<KaCall> by validityAsserted(candidateCalls)
    public val diagnostic: KaDiagnostic by validityAsserted(diagnostic)
}

public val KaCallInfo.calls: List<KaCall>
    get() = when (this) {

    candidate: KaCall,
    isInBestCandidates: Boolean,
    diagnostic: KaDiagnostic,
) : KaCallCandidateInfo(candidate, isInBestCandidates) {
    /**
     * The reason the [candidate] was not applicable for the call (e.g., argument type mismatch, or no value for parameter).
     */
    public val diagnostic: KaDiagnostic by validityAsserted(diagnostic)

 */

package org.jetbrains.kotlin.analysis.api.impl.base.util

import org.jetbrains.kotlin.analysis.api.diagnostics.KaDiagnostic
import org.jetbrains.kotlin.analysis.api.diagnostics.KaSeverity
import org.jetbrains.kotlin.analysis.api.lifetime.KaLifetimeToken
import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion