export declare const make: <A>(value: A) => Effect.Effect<SynchronizedRef<A>>

export declare const get: <A>(self: SynchronizedRef<A>) => Effect.Effect<A>

export interface SynchronizedRef<in out A> extends SynchronizedRef.Variance<A>, Ref.Ref<A> {
  modifyEffect<B, E, R>(f: (a: A) => Effect.Effect<readonly [B, A], E, R>): Effect.Effect<B, E, R>
  readonly [Unify.typeSymbol]?: unknown
  readonly [Unify.unifySymbol]?: SynchronizedRefUnify<this>
  readonly [Unify.ignoreSymbol]?: SynchronizedRefUnifyIgnore
}

export interface SynchronizedRefUnify<A extends { [Unify.typeSymbol]?: any }> extends Ref.RefUnify<A> {
  SynchronizedRef?: () => Extract<A[Unify.typeSymbol], SynchronizedRef<any>>
}

export interface SynchronizedRefUnifyIgnore extends Ref.RefUnifyIgnore {
  Ref?: true
}

export declare const SynchronizedRefTypeId: typeof SynchronizedRefTypeId

export type SynchronizedRefTypeId = typeof SynchronizedRefTypeId

export declare const unsafeMake: <A>(value: A) => SynchronizedRef<A>

export interface Variance<in out A> {
  readonly [SynchronizedRefTypeId]: {
    readonly _A: Types.Invariant<A>
  }
}

export declare const getAndSet: {
  <A>(value: A): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, value: A): Effect.Effect<A>
}

export declare const getAndUpdate: {
  <A>(f: (a: A) => A): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, f: (a: A) => A): Effect.Effect<A>
}

export declare const getAndUpdateEffect: {
  <A, R, E>(f: (a: A) => Effect.Effect<A, E, R>): (self: SynchronizedRef<A>) => Effect.Effect<A, E, R>
  <A, R, E>(self: SynchronizedRef<A>, f: (a: A) => Effect.Effect<A, E, R>): Effect.Effect<A, E, R>
}

export declare const getAndUpdateSome: {
  <A>(pf: (a: A) => Option.Option<A>): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, pf: (a: A) => Option.Option<A>): Effect.Effect<A>
}

export declare const getAndUpdateSomeEffect: {
  <A, R, E>(pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>): (self: SynchronizedRef<A>) => Effect.Effect<A, E, R>
  <A, R, E>(self: SynchronizedRef<A>, pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>): Effect.Effect<A, E, R>
}

export declare const modify: {
  <A, B>(f: (a: A) => readonly [B, A]): (self: SynchronizedRef<A>) => Effect.Effect<B>
  <A, B>(self: SynchronizedRef<A>, f: (a: A) => readonly [B, A]): Effect.Effect<B>
}

export declare const modifyEffect: {
  <A, B, E, R>(f: (a: A) => Effect.Effect<readonly [B, A], E, R>): (self: SynchronizedRef<A>) => Effect.Effect<B, E, R>
  <A, B, E, R>(self: SynchronizedRef<A>, f: (a: A) => Effect.Effect<readonly [B, A], E, R>): Effect.Effect<B, E, R>
}

export declare const modifySome: {
  <B, A>(fallback: B, pf: (a: A) => Option.Option<readonly [B, A]>): (self: Ref.Ref<A>) => Effect.Effect<B>
  <A, B>(self: Ref.Ref<A>, fallback: B, pf: (a: A) => Option.Option<readonly [B, A]>): Effect.Effect<B>
}

export declare const modifySomeEffect: {
  <A, B, R, E>(
    fallback: B,
    pf: (a: A) => Option.Option<Effect.Effect<readonly [B, A], E, R>>
  ): (self: SynchronizedRef<A>) => Effect.Effect<B, E, R>
  <A, B, R, E>(
    self: SynchronizedRef<A>,
    fallback: B,
    pf: (a: A) => Option.Option<Effect.Effect<readonly [B, A], E, R>>
  ): Effect.Effect<B, E, R>
}

export declare const set: {
  <A>(value: A): (self: Ref.Ref<A>) => Effect.Effect<void>
  <A>(self: Ref.Ref<A>, value: A): Effect.Effect<void>
}

export declare const setAndGet: {
  <A>(value: A): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, value: A): Effect.Effect<A>
}

export declare const update: {
  <A>(f: (a: A) => A): (self: Ref.Ref<A>) => Effect.Effect<void>
  <A>(self: Ref.Ref<A>, f: (a: A) => A): Effect.Effect<void>
}

export declare const updateAndGet: {
  <A>(f: (a: A) => A): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, f: (a: A) => A): Effect.Effect<A>
}

export declare const updateAndGetEffect: {
  <A, R, E>(f: (a: A) => Effect.Effect<A, E, R>): (self: SynchronizedRef<A>) => Effect.Effect<A, E, R>
  <A, R, E>(self: SynchronizedRef<A>, f: (a: A) => Effect.Effect<A, E, R>): Effect.Effect<A, E, R>
}

export declare const updateEffect: {
  <A, R, E>(f: (a: A) => Effect.Effect<A, E, R>): (self: SynchronizedRef<A>) => Effect.Effect<void, E, R>
  <A, R, E>(self: SynchronizedRef<A>, f: (a: A) => Effect.Effect<A, E, R>): Effect.Effect<void, E, R>
}

export declare const updateSome: {
  <A>(f: (a: A) => Option.Option<A>): (self: Ref.Ref<A>) => Effect.Effect<void>
  <A>(self: Ref.Ref<A>, f: (a: A) => Option.Option<A>): Effect.Effect<void>
}

export declare const updateSomeAndGet: {
  <A>(pf: (a: A) => Option.Option<A>): (self: Ref.Ref<A>) => Effect.Effect<A>
  <A>(self: Ref.Ref<A>, pf: (a: A) => Option.Option<A>): Effect.Effect<A>
}

export declare const updateSomeAndGetEffect: {
  <A, R, E>(pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>): (self: SynchronizedRef<A>) => Effect.Effect<A, E, R>
  <A, R, E>(self: SynchronizedRef<A>, pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>): Effect.Effect<A, E, R>
}

export declare const updateSomeEffect: {
  <A, R, E>(
    pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>
  ): (self: SynchronizedRef<A>) => Effect.Effect<void, E, R>
  <A, R, E>(self: SynchronizedRef<A>, pf: (a: A) => Option.Option<Effect.Effect<A, E, R>>): Effect.Effect<void, E, R>
}