Function annotateParameters

test/fixtures/snapshot/typescript.js:156716–156738

(changes, importAdder, sourceFile, parameterDeclaration, containingFunction, program, host, cancellationToken)

            }
        }
        function annotateParameters(changes, importAdder, sourceFile, parameterDeclaration, containingFunction, program, host, cancellationToken) {
            if (!ts.isIdentifier(parameterDeclaration.name)) {
                return;
            }
            var parameterInferences = inferTypeForParametersFromUsage(containingFunction, sourceFile, program, cancellationToken);
            ts.Debug.assert(containingFunction.parameters.length === parameterInferences.length, "Parameter count and inference count should match");
            if (ts.isInJSFile(containingFunction)) {
                annotateJSDocParameters(changes, sourceFile, parameterInferences, program, host);
            }
            else {
                var needParens = ts.isArrowFunction(containingFunction) && !ts.findChildOfKind(containingFunction, 20 /* SyntaxKind.OpenParenToken */, sourceFile);
                if (needParens)
                    changes.insertNodeBefore(sourceFile, ts.first(containingFunction.parameters), ts.factory.createToken(20 /* SyntaxKind.OpenParenToken */));
                for (var _i = 0, parameterInferences_1 = parameterInferences; _i < parameterInferences_1.length; _i++) {
                    var _a = parameterInferences_1[_i], declaration = _a.declaration, type = _a.type;
                    if (declaration && !declaration.type && !declaration.initializer) {
                        annotate(changes, importAdder, sourceFile, declaration, type, program, host);
                    }
                }
                if (needParens)
                    changes.insertNodeAfter(sourceFile, ts.last(containingFunction.parameters), ts.factory.createToken(21 /* SyntaxKind.CloseParenToken */));
            }
        }
        function annotateThis(changes, sourceFile, containingFunction, program, host, cancellationToken) {
            var references = getFunctionReferences(containingFunction, sourceFile, program, cancellationToken);
            if (!references || !references.length) {