Function checkUnusedClassMembers

test/fixtures/snapshot/typescript.js:82003–82039

(node, addDiagnostic)

            return ts.isIdentifier(node) && ts.idText(node).charCodeAt(0) === 95 /* CharacterCodes._ */;
        }
        function checkUnusedClassMembers(node, addDiagnostic) {
            for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
                var member = _a[_i];
                switch (member.kind) {
                    case 169 /* SyntaxKind.MethodDeclaration */:
                    case 167 /* SyntaxKind.PropertyDeclaration */:
                    case 172 /* SyntaxKind.GetAccessor */:
                    case 173 /* SyntaxKind.SetAccessor */:
                        if (member.kind === 173 /* SyntaxKind.SetAccessor */ && member.symbol.flags & 32768 /* SymbolFlags.GetAccessor */) {
                            // Already would have reported an error on the getter.
                            break;
                        }
                        var symbol = getSymbolOfNode(member);
                        if (!symbol.isReferenced
                            && (ts.hasEffectiveModifier(member, 8 /* ModifierFlags.Private */) || ts.isNamedDeclaration(member) && ts.isPrivateIdentifier(member.name))
                            && !(member.flags & 16777216 /* NodeFlags.Ambient */)) {
                            addDiagnostic(member, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(member.name, ts.Diagnostics._0_is_declared_but_its_value_is_never_read, symbolToString(symbol)));
                        }
                        break;
                    case 171 /* SyntaxKind.Constructor */:
                        for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
                            var parameter = _c[_b];
                            if (!parameter.symbol.isReferenced && ts.hasSyntacticModifier(parameter, 8 /* ModifierFlags.Private */)) {
                                addDiagnostic(parameter, 0 /* UnusedKind.Local */, ts.createDiagnosticForNode(parameter.name, ts.Diagnostics.Property_0_is_declared_but_its_value_is_never_read, ts.symbolName(parameter.symbol)));
                            }
                        }
                        break;
                    case 176 /* SyntaxKind.IndexSignature */:
                    case 234 /* SyntaxKind.SemicolonClassElement */:
                    case 170 /* SyntaxKind.ClassStaticBlockDeclaration */:
                        // Can't be private
                        break;
                    default:
                        ts.Debug.fail("Unexpected class member");
                }
            }
        }
        function checkUnusedInferTypeParameter(node, addDiagnostic) {
            var typeParameter = node.typeParameter;
            if (isTypeParameterUnused(typeParameter)) {