export interface NormalizedScopePrefix {
    exact: string;
    descendant: string;
}
/** Normalize one scope prefix for both in-memory and LanceDB matching. */
export declare function normalizeScopePrefix(prefix: string): NormalizedScopePrefix;
/**
 * True when `path` equals `prefix` or is a descendant of it, using a separator
 * boundary so `/foo/bar` does not match `/foo/barista`. The separator is derived
 * from `prefix`; trailing separators on `prefix` are normalized so `/a/b`,
 * `/a/b/`, and `/a/b//` are equivalent. `path` is compared verbatim, matching
 * the SQL contract in `buildPrefixPredicate`.
 */
export declare function isUnderOrEqual(path: string, prefix: string): boolean;
/**
 * True when `path` is under-or-equal any prefix in `prefixes` (union). Empty or
 * undefined `prefixes` semantics are the caller's concern; an empty list yields
 * false (membership against no prefixes).
 */
export declare function matchesAnyScope(path: string, prefixes: string[]): boolean;
/**
 * Return the prefixes in `scope` that are NOT absolute paths (server-OS path
 * style, via `node:path` `isAbsolute` — the same path style scope matching
 * uses). A non-absolute prefix matches nothing under the exact-or-descendant
 * contract, so both list surfaces surface these as non-fatal warnings while
 * preserving the "matches nothing" result semantics. Input order is preserved.
 */
export declare function nonAbsolutePrefixes(scope: string[]): string[];
/**
 * Directory-visit predicate for the scoped BFS walk, shared by both walkers so
 * the boundary semantics live in one place. Visit `dir` when there is no scope,
 * when `dir` is in-scope (under-or-equal a prefix), or when `dir` is an ancestor
 * of some prefix (must be descended to reach the scoped subtree). An absent or
 * empty `scope` visits every directory (traversal unchanged).
 */
export declare function shouldVisitDir(dir: string, scope?: string[]): boolean;
/**
 * File-collect predicate for the scoped BFS walk, shared by both walkers.
 * Collect `path` when there is no scope, or when `path` is in-scope. An absent
 * or empty `scope` collects every supported file (collection unchanged).
 */
export declare function isInScope(path: string, scope?: string[]): boolean;
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