export type DripPipelineProcessingStage = {
    $addFields: Record<string, unknown>;
} | {
    $project: Record<string, unknown>;
} | {
    $replaceRoot: {
        newRoot: unknown;
    };
} | {
    $replaceWith: unknown;
} | {
    $set: Record<string, unknown>;
} | {
    $unset: string[] | string;
};
export type DripPipelineStage = DripPipelineProcessingStage | {
    $match: Record<string, unknown>;
};
export type DripPipeline = DripPipelineStage[];
export type DripProcessingPipeline = DripPipelineProcessingStage[];