/**
 * Return true only when the directory contains a durable Ruflo project marker.
 *
 * A bare `.claude/` is owned by Claude Code, and a bare `.claude-flow/` is not
 * sufficient either: startup-time policy/champion migration can create it
 * before this function runs. Treating that mutation as authorization caused a
 * read-only command in any Claude project to spawn a detached daemon (#2852).
 */
export declare function isRufloProject(projectRoot: string): boolean;
/**
 * Walk up from `startDir` and return the NEAREST enclosing directory carrying
 * a Ruflo marker. Nearest-wins keeps a monorepo's independently-initialized
 * sub-project on its own state.
 *
 * A `.git` entry is a hard stop — the repository boundary. Without it the walk
 * could escape into an unrelated ancestor (a Ruflo project living at `$HOME`,
 * say) and hand every repo below it the same state.
 *
 * Returns the resolved `startDir` unchanged when no marker is found, which
 * preserves the previous cwd-relative behaviour outside a Ruflo project.
 */
export declare function resolveProjectRoot(startDir: string): string;
/**
 * Anchor `dir` to its project root for durable state. Like resolveProjectRoot,
 * but a walk that lands on home or a filesystem root is rejected and `dir` is
 * returned instead — `~/.claude/settings.json` carrying a `claudeFlow` key
 * must not turn $HOME into every non-git directory's project. Mirrors the
 * guard cli-core's getProjectCwd() applies, so CLI commands and MCP tools
 * agree on the root.
 */
export declare function anchorToProjectRoot(dir: string): string;
/**
 * The project root for the current process: anchorToProjectRoot(process.cwd()).
 * Not cached — the walk is a handful of stat calls, and tests spy on cwd.
 */
export declare function getProjectRoot(): string;
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