export interface LiveEnforcerScan {
    /** Refs proven imported from a call site. Empty when `unknown` is true. */
    readonly live: ReadonlySet<string>;
    /** True when the project has no `src/` tree, so liveness is undecidable. */
    readonly unknown: boolean;
    readonly warnings: readonly string[];
}
/**
 * Scan `projectRoot/src` for relative imports that name one of `enforcerRefs`.
 * Returns the subset of refs with a call site outside the enforcers directory.
 */
export declare function computeLiveEnforcers(projectRoot: string, enforcerRefs: readonly string[]): LiveEnforcerScan;