import { ResultItem } from "../../types/result-types";
import { Simplify } from "../../types/utils";
import { ExtractSelectByTypeResult, SelectByTypeProjections } from "./select-types";
import { IGroqBuilder, InferResultType } from "../../groq-builder";
declare module "../../groq-builder" {
    interface GroqBuilderSubquery<TResult, TQueryConfig> {
        /**
         * Applies GROQ's `select` function, for conditional logic,
         * based on the `_type` field.
         *
         * This is similar to `.select`,
         * but provides stronger types and auto-completion.
         *
         * @example
         * const qContent = q.star.filterByType("movie", "actor").project(sub => ({
         *   name: sub.selectByType({
         *     movie: sub => sub.field("title"),
         *     actor: sub => sub.field("name"),
         *   })
         * }));
         */
        selectByType<TSelectByTypeProjections extends SelectByTypeProjections<ResultItem.Infer<TResult>, TQueryConfig>, TDefaultSelection extends IGroqBuilder | null = null>(typeQueries: TSelectByTypeProjections, defaultSelection?: TDefaultSelection): GroqBuilder<Simplify<ExtractSelectByTypeResult<TSelectByTypeProjections>> | (TDefaultSelection extends null | undefined ? null : InferResultType<NonNullable<TDefaultSelection>>), TQueryConfig>;
    }
}