/** Expand a leading `~/` or lone `~` to `home`. Leaves other paths unchanged. */
export declare function expandHome(input: string, home: string): string;
export type ResolveMemoryDirectoryOptions = {
    /** Config file that supplied the value (may be a symlink). */
    configFilePath?: string;
    home: string;
};
/**
 * Expand `~`, then resolve relative `memoryDirectory` from the realpath of the
 * config file's directory. Absolute paths are normalized.
 */
export declare function resolveMemoryDirectory(memoryDirectory: string, options: ResolveMemoryDirectoryOptions): string;
/**
 * Join a memory file name under the resolved memory directory.
 * Refuses `..` / absolute escapes that leave the directory after resolve.
 */
export declare function resolveMemoryFilePath(memoryDirectory: string, fileName: string): string;
/** True when `candidate` is `dir` or a path under `dir` (after normalize). */
export declare function isPathInsideDir(candidate: string, dir: string): boolean;
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