/**
 * Per-type currency collectors and aggregator.
 *
 * Reads configured and locked entries from the WorkspaceMutations service, filters to
 * enabled registry-sourced entries, fetches each extension's index from
 * RegistryClient, and produces an array of ExtensionCurrencyEntry.
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as Effect from "effect/Effect";
import type * as FileSystem from "effect/FileSystem";
import type * as HttpClient from "effect/unstable/http/HttpClient";
import * as Option from "effect/Option";
import type * as Path from "effect/Path";
import type * as Scope from "effect/Scope";
import { type AppError } from "../../app-error/index.js";
import type { ExtensionType } from "../../extensions/index.js";
import type { RegistryClient } from "../../registry/client.js";
import { SourceHostProviders } from "../../source-resolution/index.js";
import { type Version, type VersionRange } from "../../version-constraints/version-constraints.js";
import { WorkspaceMutations } from "../service-interface.js";
import { type CurrencyResult } from "./check-currency.js";
/**
 * Currency assessment for a single installed extension.
 *
 * @experimental This API is unstable and may change without notice.
 */
export interface ExtensionCurrencyEntry {
    readonly kind: "registry-version";
    /** Fully-qualified name: `@owner/type/name`. */
    readonly ref: string;
    readonly type: ExtensionType;
    readonly installedVersion: Version;
    readonly constraint: Option.Option<VersionRange>;
    readonly currency: CurrencyResult;
}
/**
 * Source freshness assessment for a Git-hosted extension.
 *
 * @experimental This API is unstable and may change without notice.
 */
export interface ExtensionSourceFreshnessEntry {
    readonly kind: "source-freshness";
    readonly ref: string;
    readonly type: ExtensionType;
    readonly source: string;
    readonly installedTreeHash: Option.Option<string>;
    readonly currentTreeHash: Option.Option<string>;
    readonly status: "current" | "changed" | "unknown";
    readonly reason: Option.Option<string>;
}
export type ExtensionUpdateEntry = ExtensionCurrencyEntry | ExtensionSourceFreshnessEntry;
type SourceFreshnessCollector = () => Effect.Effect<ReadonlyArray<ExtensionSourceFreshnessEntry>, AppError, FileSystem.FileSystem | HttpClient.HttpClient | Path.Path | WorkspaceMutations | SourceHostProviders | Scope.Scope>;
export declare const collectSkillSourceFreshness: SourceFreshnessCollector;
export declare const collectMcpServerSourceFreshness: SourceFreshnessCollector;
export declare const collectSubagentSourceFreshness: SourceFreshnessCollector;
export declare const collectRuleSourceFreshness: SourceFreshnessCollector;
export declare const collectHookSourceFreshness: SourceFreshnessCollector;
export declare const collectKnowledgeSourceFreshness: SourceFreshnessCollector;
/** Every per-type git-source freshness collector, in catalog order. */
export declare const sourceFreshnessCollectors: ReadonlyArray<SourceFreshnessCollector>;
/**
 * Collect currency entries for all enabled, registry-sourced skills.
 */
export declare const collectSkillCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all registry-sourced MCP servers.
 */
export declare const collectMcpServerCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all enabled, registry-sourced subagents.
 */
export declare const collectSubagentCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all registry-sourced packs.
 */
export declare const collectPackCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all enabled, registry-sourced rules.
 */
export declare const collectRuleCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all enabled, registry-sourced hooks.
 */
export declare const collectHookCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all enabled, registry-sourced knowledge bundles.
 */
export declare const collectKnowledgeCurrency: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
/**
 * Collect currency entries for all extension types and merge into a single array.
 */
export declare const collectAllCurrencyEntries: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionCurrencyEntry>, AppError, WorkspaceMutations>;
export declare const collectAllUpdateEntries: (client: RegistryClient) => Effect.Effect<ReadonlyArray<ExtensionUpdateEntry>, AppError, FileSystem.FileSystem | HttpClient.HttpClient | Path.Path | WorkspaceMutations | SourceHostProviders | Scope.Scope>;
export {};
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