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export interface PredicateFunction<T> {  (value: T): boolean;}
export type Predicate<T> = Partial<T> | PredicateFunction<T>;
export type ID = string | number;
export type SortKeys<M> = (keyof M)[];
export interface SortMethod<M> {  (a: M, b: M): number;}
export type SortArg<M> = SortKeys<M> | SortMethod<M>;