import { type OptionalIf } from '@tmlmobilidade/types';
import { Filter } from 'mongodb';
interface MatchStage<T> {
    $match: Filter<T>;
}
interface ProjectStage<T> {
    $project: Partial<Record<keyof T, 0 | 1> | Record<string, 0 | 1>>;
}
interface GroupStage {
    $group: {
        [key: string]: any;
        _id: Record<string, any> | string;
    };
}
interface ReplaceRootStage {
    $replaceRoot: {
        newRoot: Record<string, any> | string;
    };
}
interface SortStage<T> {
    $sort: Partial<Record<keyof T, -1 | 1> | Record<string, -1 | 1>>;
}
interface LimitStage {
    $limit: number;
}
interface SkipStage {
    $skip: number;
}
interface UnwindStage {
    $unwind: string | {
        path: string;
        preserveNullAndEmptyArrays: boolean;
    };
}
interface AddFieldsStage {
    $addFields: Record<string, any>;
}
interface LookupStage {
    $lookup: OptionalIf<{
        as: string;
        foreignField?: string;
        from: string;
        let?: Record<string, any>;
        localField?: string;
        pipeline?: any[];
    }, 'pipeline', 'foreignField' | 'localField'>;
}
interface SetStage {
    $set: Record<string, any>;
}
interface UnsetStage {
    $unset: string | string[];
}
type AggregationStage<T> = AddFieldsStage | GroupStage | LimitStage | LookupStage | MatchStage<T> | ProjectStage<T> | ReplaceRootStage | SetStage | SkipStage | SortStage<T> | UnsetStage | UnwindStage;
export type AggregationPipeline<T> = AggregationStage<T>[];
export {};