import { GroqBuilder } from "../../groq-builder";
import { IsNullable } from "../../types/utils";
import { QueryConfig } from "../../types/query-config";
import { Expressions } from "../../types/groq-expressions";
import { IGroqBuilder } from "../../groq-builder";
declare module "../../groq-builder" {
    interface GroqBuilderRoot<TResult, TQueryConfig> extends CountDefinition<TResult, TQueryConfig> {
    }
    interface GroqBuilderSubquery<TResult, TQueryConfig> extends CountDefinition<TResult, TQueryConfig> {
    }
}
interface CountDefinition<TResult, TQueryConfig extends QueryConfig> {
    /**
     * Wraps the expressions with GROQ's `count(...)` function.
     *
     * The `expression` can be either a projection string, or any valid query.
     *
     * @example
     * q.star.filterByType("product").project(product => ({
     *   // Use a simple projection string:
     *   imageCount: product.count("images[]"),
     *   // Use any complex query:
     *   categoryCount: product.count(
     *     product.star.filterByType("category").filterRaw("references(^._id)")
     *   ),
     * }));
     */
    count<TExpressionResult extends Array<any> | null>(expression: IGroqBuilder<TExpressionResult>): GroqBuilder<number | (IsNullable<TExpressionResult> extends true ? null : never), TQueryConfig>;
    /**
     * Wraps the expressions with GROQ's `count(...)` function.
     *
     * The `expression` can be either a projection string, or any valid query.
     *
     * @example
     * q.star.filterByType("product").project(product => ({
     *   // Use a simple projection string:
     *   imageCount: product.count("images[]"),
     *   // Use any complex query:
     *   categoryCount: product.count(
     *     product.star.filterByType("category").filterRaw("references(^._id)")
     *   ),
     * }));
     */
    count<TExpression extends keyof Expressions.CountableEntries<TResult>>(expression: TExpression): GroqBuilder<number | (IsNullable<Expressions.CountableEntries<TResult>[TExpression]> extends true ? null : never), TQueryConfig>;
}
export {};