import { Blaze } from 'meteor/blaze';
declare module 'meteor/templating' {
    var Template: TemplateStatic & {
        [index: string]: any | Blaze.Template;
    };

    interface TemplateStatic<D = any, T = Blaze.TemplateInstance<D>>
        extends Blaze.TemplateStatic<D, T> {
        new (viewName?: string, renderFunction?: Function): Blaze.Template;
        body: Blaze.Template;
    }

    /**
     * A helper type to make the access to data and template instance member type safe.
     * @example
     * const TemplateTyped = Template as TemplateStaticTyped<
     *     'newTemplate',
     *     { foo: string },
     *     {
     *         state: ReactiveDict<{ bar: number }>;
     *         getFooBar(): string;
     *     }
     * >;
     * TemplateTyped.newTemplate.onCreated(function () { ...
     * @template N Template name
     * @template D Data
     * @template T Template interface with custom properties and methods that extends the template instance
     */
    type TemplateStaticTyped<
        N extends string,
        D extends any = unknown,
        T extends Record<string, unknown> = Record<string, never>,
    > = TemplateStatic<D, T & Blaze.TemplateInstance<D>> & {
        [key in N]: Blaze.Template<D, T & Blaze.TemplateInstance<D>>;
    };
}