internal class EqualityNotApplicableImpl(
    override val operator: String,
    override val leftType: KtType,
    override val rightType: KtType,
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<KtBinaryExpression>(firDiagnostic, token), KtFirDiagnostic.EqualityNotApplicable

internal class EqualityNotApplicableWarningImpl(
    override val operator: String,
    override val leftType: KtType,

            token,
        )
    }
    add(FirErrors.OPERATOR_MODIFIER_REQUIRED) { firDiagnostic ->
        OperatorModifierRequiredImpl(
            firSymbolBuilder.functionLikeBuilder.buildFunctionSymbol(firDiagnostic.a),
            firDiagnostic.b,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.OPERATOR_CALL_ON_CONSTRUCTOR) { firDiagnostic ->

            // cannot do so:
            // ```
            // fun x(c: Char) {}
            // fun call(x: kotlin.Int) {
            //   operator fun Int.invoke(a: Int) {}
            //   operator fun Int.invoke(b: Boolean) {}
            //   <expr>x()</expr>
            // }
            // ```

        val receiverExpression: KtExpression
        val operator: String
        val argumentExpression: KtExpression?
    }

    interface UnsafeOperatorCall : KtFirDiagnostic<KtExpression> {
        override val diagnosticClass get() = UnsafeOperatorCall::class
        val receiverType: KtType
        val receiverExpression: KtExpression
        val operator: String
        val argumentExpression: KtExpression?
    }

            Errors.MANY_LAMBDA_EXPRESSION_ARGUMENTS,
            Errors.UNEXPECTED_TRAILING_LAMBDA_ON_A_NEW_LINE,
            Errors.TOO_MANY_ARGUMENTS,
            Errors.REDUNDANT_SPREAD_OPERATOR_IN_NAMED_FORM_IN_FUNCTION,
            Errors.REDUNDANT_SPREAD_OPERATOR_IN_NAMED_FORM_IN_ANNOTATION,
            *Errors.TYPE_MISMATCH_ERRORS.toTypedArray(),
        )