import { Data } from 'effect';
import { type ProtocolVersion } from '@midnightntwrk/wallet-sdk-abstractions';
/**
 * A tagged enum data type that represents a change in Midnight protocol versions.
 *
 * @remarks
 *   A specific protocol version can be specified using the {@link VersionChangeType.Version} enum variant. It has a
 *   `version` property that accepts a {@link ProtocolVersion} value for a known protocol version. For use cases where a
 *   specific protocol version cannot be given, the {@link VersionChangeType.Next} enum variant can be used. Its use is
 *   context specific.
 */
export type VersionChangeType = Data.TaggedEnum<{
    /** A change to a particular protocol version. */
    Version: {
        readonly version: ProtocolVersion.ProtocolVersion;
    };
    /** A change to the 'next' protocol version. Particularly useful in testing */
    Next: {};
}>;
/** A type predicate that determines if a given value is a {@link VersionChangeType.Version} enum variant. */
export declare const isVersion: (u: unknown) => u is {
    readonly _tag: "Version";
    readonly version: ProtocolVersion.ProtocolVersion;
};
/** A type predicate that determines if a given value is a {@link VersionChangeType.Next} enum variant. */
export declare const isNext: (u: unknown) => u is {
    readonly _tag: "Next";
};
export declare const match: {
    <const Cases extends {
        readonly Version: (args: {
            readonly _tag: "Version";
            readonly version: ProtocolVersion.ProtocolVersion;
        }) => any;
        readonly Next: (args: {
            readonly _tag: "Next";
        }) => any;
    }>(cases: Cases & { [K in Exclude<keyof Cases, "Version" | "Next">]: never; }): (value: {
        readonly _tag: "Version";
        readonly version: ProtocolVersion.ProtocolVersion;
    } | {
        readonly _tag: "Next";
    }) => import("effect/Unify").Unify<ReturnType<Cases["Version" | "Next"]>>;
    <const Cases extends {
        readonly Version: (args: {
            readonly _tag: "Version";
            readonly version: ProtocolVersion.ProtocolVersion;
        }) => any;
        readonly Next: (args: {
            readonly _tag: "Next";
        }) => any;
    }>(value: {
        readonly _tag: "Version";
        readonly version: ProtocolVersion.ProtocolVersion;
    } | {
        readonly _tag: "Next";
    }, cases: Cases & { [K in Exclude<keyof Cases, "Version" | "Next">]: never; }): import("effect/Unify").Unify<ReturnType<Cases["Version" | "Next"]>>;
}, Version: Data.Case.Constructor<{
    readonly _tag: "Version";
    readonly version: ProtocolVersion.ProtocolVersion;
}, "_tag">, Next: Data.Case.Constructor<{
    readonly _tag: "Next";
}, "_tag">;