Variable htmlPreprocessorConst
htmlPreprocessor: {
    extension: RegExp;
    name: string;
    outputExtension: string;
    process(content: string, data: any): Promise<string>;
} = ...
Type declaration
extension: RegExp
name: string
outputExtension: string
process:function
- process(content: string, data: any): Promise<string>
 Returns Promise<string>
processed HTML
Process HTML. Resolves
<html-include>directives via anincludefunction provided in data.