Function getTypePredicateArgument

test/fixtures/snapshot/typescript.js:70152–70158

(predicate, callExpression)

                signature.declaration && (getReturnTypeFromAnnotation(signature.declaration) || unknownType).flags & 131072 /* TypeFlags.Never */);
        }
        function getTypePredicateArgument(predicate, callExpression) {
            if (predicate.kind === 1 /* TypePredicateKind.Identifier */ || predicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */) {
                return callExpression.arguments[predicate.parameterIndex];
            }
            var invokedExpression = ts.skipParentheses(callExpression.expression);
            return ts.isAccessExpression(invokedExpression) ? ts.skipParentheses(invokedExpression.expression) : undefined;
        }
        function reportFlowControlError(node) {
            var block = ts.findAncestor(node, ts.isFunctionOrModuleBlock);
            var sourceFile = ts.getSourceFileOfNode(node);