import { GroqBuilder } from "../../groq-builder";
import { QueryConfig } from "../../types/query-config";
import { CoalesceExpressions } from "./coalesce-types";
declare module "../../groq-builder" {
    interface GroqBuilderRoot<TResult, TQueryConfig> extends CoalesceDefinition<TResult, TQueryConfig> {
    }
    interface GroqBuilderSubquery<TResult, TQueryConfig> extends CoalesceDefinition<TResult, TQueryConfig> {
    }
}
interface CoalesceDefinition<TResult, TQueryConfig extends QueryConfig> {
    /**
     * Wraps the expressions with GROQ's `coalesce(...)` function.
     *
     * Each `expression` can be either a projection string, or any valid query.
     *
     * @example
     * q.star.filterByType("product").project(product => ({
     *   title: product.coalesce(
     *     "title",
     *     "category.title",
     *     product.field("variant").slice(0).deref().field("title"),
     *     q.value("DEFAULT")
     *   ),
     * }));
     */
    coalesce<TExpressions extends CoalesceExpressions.CoalesceArgs<TResult>>(...expressions: TExpressions): GroqBuilder<CoalesceExpressions.CoalesceResult<TResult, TExpressions>, TQueryConfig>;
}
export {};