If you need to reference this type directly, like when casting an Array, or as a parameter, you will need to import it. Simply add the import at the top of the file.
import crafttweaker.api.recipe.RecipeHolder;
Recipe
ResourceLocation
// RecipeHolder<T : Recipe>.id as ResourceLocationmyRecipeHolder.id
Return Type: ResourceLocation
// RecipeHolder<T : Recipe> as ResourceLocationmyRecipeHolder as ResourceLocation
// RecipeHolder<T : Recipe>.value as Recipe<RecipeInput>myRecipeHolder.value
Return Type: Recipe<RecipeInput>
Recipe<RecipeInput>
// RecipeHolder<T : Recipe> as Recipe<RecipeInput>myRecipeHolder as Recipe<RecipeInput>