/**
 * Building blocks of `init upgrade`: the UpgradeResult shape, project
 * re-indexing, settings.json merge and helper-tree sync.
 */
import type { FileGuard } from './file-guard.js';
import { type ProjectIndexCounts } from './project-indexes.js';
/**
 * Upgrade result interface
 */
export interface UpgradeResult {
    success: boolean;
    updated: string[];
    created: string[];
    preserved: string[];
    errors: string[];
    /** Added by --add-missing flag */
    addedSkills?: string[];
    addedAgents?: string[];
    addedCommands?: string[];
    /** Added by --settings flag */
    settingsUpdated?: string[];
    /** Installed agents replaced with the bundled file (only metadata differed). */
    refreshedAgents?: string[];
    /** Installed agents left alone because their body differs from the bundle. */
    keptAgents?: string[];
    /** Agent registry and skill index counts (see init/project-indexes.ts). */
    indexes?: ProjectIndexCounts;
    /** Helpers kept because the user edited them (see file-guard.ts). */
    kept?: string[];
    /** Things the user must be told even though the upgrade succeeded. */
    warnings?: string[];
}
/** Rebuilds the agent registry and skill index, recording them in `result`. */
export declare function indexProject(targetDir: string, result: UpgradeResult, sourceHelpersDir?: string | null): void;
/** True for the `monomind.agentTeams` block earlier inits wrote next to the flag
 *  (#655). Its `coordination.sharedMemoryNamespace: "agent-teams"` is Monomind's own
 *  key; someone who turned Claude Code's teams on by hand does not have it. */
export declare function isMonomindAgentTeamsBlock(block: unknown): boolean;
/**
 * Merge new settings into existing settings.json
 * Preserves user customizations while adding new features like Agent Teams
 * Uses platform-specific commands for Mac, Linux, and Windows
 */
export declare function mergeSettingsForUpgrade(existing: Record<string, unknown>, report?: string[]): Record<string, unknown>;
/**
 * Refresh one installed helper tree from the bundled source: force-sync the
 * HELPER_FILES critical set, create any other missing top-level helper (never
 * overwriting one), and recursively sync utils/ and handlers/. Files the bundle
 * does not ship are never touched, so user files survive.
 */
export declare function syncHelperTree(sourceDir: string, destHelpersDir: string, label: string, result: UpgradeResult, guard: FileGuard): void;
//# sourceMappingURL=upgrade-steps.d.ts.map