The export interface IQueryListsFilter is defining an interface in TypeScript. It extends the Record<string, string> interface, which means it inherits all the properties and methods from the Record<string, string> interface.

interface IQueryListsFilter {
    Title?: string;
}

Properties

Properties

Title?: string

In the code, Title:string; is defining a property called Title in the IQueryListsFilter interface. This property is of type string, which means it can hold a string value. It represents the title of a list and is used as a filter when querying lists in a SharePoint site.