import type { NativeProjectPaths } from './native-types.js';
export declare const PROJECT_CONFIG_FILE = ".comet/config.yaml";
export declare function discoverNativeProject(startPath: string): Promise<string>;
export declare function normalizeArtifactRootRef(value: string): string;
export declare function resolveArtifactRoot(projectRoot: string, value: string): Promise<string>;
export declare function nativeProjectPaths(projectRoot: string, artifactRootRef: string): Promise<NativeProjectPaths>;
export declare function ensureNativeDirectories(paths: NativeProjectPaths): Promise<void>;
export declare function nativePreferredChangeRuntimeDir(paths: NativeProjectPaths, name: string): string;
export declare function nativeLegacyChangeRuntimeDir(paths: NativeProjectPaths, name: string): string;
/**
 * Resolve the physical Runtime root for a change. New Runtime wins whenever it exists;
 * otherwise an existing legacy `<change>/runtime` remains readable until Doctor migrates it.
 * A missing Runtime resolves to the preferred new location so all new writes use `.comet`.
 */
export declare function nativeChangeRuntimeDir(paths: NativeProjectPaths, name: string): string;
export interface NativeRuntimeStorageInspection {
    status: 'available' | 'missing' | 'invalid';
    layout: 'project-local' | 'legacy' | 'missing';
    path: string;
    message?: string;
}
/** Read-only storage health used by status/doctor before opening machine-owned files. */
export declare function inspectNativeRuntimeStorage(paths: NativeProjectPaths, name: string): Promise<NativeRuntimeStorageInspection>;
export declare function nativeRuntimeRefFile(runtimeDir: string, ref: string): string;
export declare function nativeStorageRoot(paths: NativeProjectPaths, target: string): string;
export declare function isInsidePath(parent: string, target: string): boolean;
export declare function resolveContainedNativePath(root: string, target: string): Promise<string>;
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