import * as t from 'io-ts';
export declare const SubscriptionIO: t.ReadonlyC<t.TypeC<{
    semantics: t.StringC;
    name: t.StringC;
    sourceId: t.StringC;
}>>;
export declare const Subscription: {
    toString: (subscription: Subscription) => string;
};
export declare type Subscription = t.TypeOf<typeof SubscriptionIO>;
export declare const TagSubscription: t.ReadonlyC<t.TypeC<{
    tags: t.ReadonlyArrayC<t.StringC>;
    local: t.BooleanC;
}>>;
export declare type TagSubscription = t.TypeOf<typeof TagSubscription>;
/**
 * A set of subscriptions
 */
export declare const SubscriptionSetIO: t.TaggedUnionC<"type", [t.TypeC<{
    type: t.LiteralC<"empty">;
}>, t.TypeC<{
    type: t.LiteralC<"all">;
}>, t.TypeC<{
    type: t.LiteralC<"or">;
    subscriptions: t.ReadonlyArrayC<t.ReadonlyC<t.TypeC<{
        semantics: t.StringC;
        name: t.StringC;
        sourceId: t.StringC;
    }>>>;
}>, t.TypeC<{
    type: t.LiteralC<"tags">;
    subscriptions: t.ReadonlyArrayC<t.ReadonlyC<t.TypeC<{
        tags: t.ReadonlyArrayC<t.StringC>;
        local: t.BooleanC;
    }>>>;
}>]>;
export declare type SubscriptionSet = t.TypeOf<typeof SubscriptionSetIO>;
export declare type SubscriptionSetCompanion = {
    empty: SubscriptionSet;
    all: SubscriptionSet;
    or: (s: Subscription[]) => SubscriptionSet;
};
export declare const SubscriptionSet: SubscriptionSetCompanion;