declare type Callback<TData = any, TError = any> = (err?: TError, data?: TData) => any
declare namespace Leaf {
    type Tagged<T extends string = string> = {
        tag?: T
    }
    export type CriteriaTemplate = CriteriaData & Tagged<"criteriaTemplate">
    export type Criteria = CriteriaData & Tagged<"criteria">
    export type CriteriaData = {
        ors: Matches[]
    }
    export type Matches = {
        ands: Match[]
    } & Tagged<"matches">

}