/**
 * Pack expansion helpers for cross-type dependency expansion.
 *
 * - expandPackInstallRefs: Expands a pack ref into install refs (pack + dependencies)
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as Effect from "effect/Effect";
import type * as Option from "effect/Option";
import type { AppError } from "../app-error/index.js";
import { type ExtensionType } from "../extensions/index.js";
import type { ExtensionRef } from "../extensions/index.js";
import type { PackRef } from "./refs.js";
import type { SourceHostProvidersService } from "../source-resolution/index.js";
import type * as Duration from "effect/Duration";
import { type PackDependencyRefResolver, type ReleaseAgeAwarePackDependencyResolution, type WorkspacePackDependencyResolver } from "./dependency-resolution.js";
import type { ReleaseAgeEvaluation } from "../registry/index.js";
/**
 * Expand a pack ref into its cross-type dependency refs.
 *
 * Returns the pack ref first, followed by dependency refs in declaration
 * order. Only dependency types listed in `supportedDependencyTypes` are
 * included.
 *
 * Dependency refs use the pack's registry source and empty integrity
 * (integrity is resolved during materialization, not at expansion time).
 */
export declare const expandPackInstallRefs: (args: {
    readonly pack: PackRef;
    readonly supportedDependencyTypes: ReadonlyArray<ExtensionType>;
    readonly sources: SourceHostProvidersService;
    readonly minimumReleaseAge?: Option.Option<Duration.Duration>;
    readonly workspaceResolver?: WorkspacePackDependencyResolver;
    readonly dependencyResolver?: PackDependencyRefResolver;
}) => Effect.Effect<ReadonlyArray<ExtensionRef>, AppError>;
export type ReleaseAgeAwarePackExpansion = {
    readonly kind: "selected";
    readonly refs: ReadonlyArray<ExtensionRef>;
    readonly holdbacks: Extract<ReleaseAgeAwarePackDependencyResolution, {
        kind: "selected";
    }>["holdbacks"];
    readonly bypasses: Extract<ReleaseAgeAwarePackDependencyResolution, {
        kind: "selected";
    }>["bypasses"];
} | Extract<ReleaseAgeAwarePackDependencyResolution, {
    kind: "policy_held";
}>;
export declare const expandPackInstallRefsWithReleaseAge: (args: {
    readonly pack: PackRef;
    readonly supportedDependencyTypes: ReadonlyArray<ExtensionType>;
    readonly sources: SourceHostProvidersService;
    readonly releaseAgeEvaluation: ReleaseAgeEvaluation;
    readonly workspaceResolver?: WorkspacePackDependencyResolver;
    readonly dependencyResolver?: PackDependencyRefResolver;
}) => Effect.Effect<ReleaseAgeAwarePackExpansion, AppError>;
//# sourceMappingURL=expansion.d.ts.map