/** Admit a path string before normalization or platform path operations. */
export declare function assertBoundedPathString(value: unknown, label?: string): string;
/**
 * Assert that a configured project path has one portable, unambiguous spelling.
 *
 * Configuration paths use forward slashes and are always relative to the
 * project root. Rejecting normalization aliases keeps cache identities stable
 * and prevents local and virtual filesystem adapters from resolving the same
 * configuration differently.
 */
export declare function assertCanonicalProjectRelativePath(value: unknown, label?: string): string;
/** Return whether a value is a canonical, portable project-relative path. */
export declare function isCanonicalProjectRelativePath(value: unknown): value is string;
/** Resolve a validated project-relative path and re-check lexical containment. */
export declare function resolveCanonicalProjectRelativePath(projectDir: string, value: unknown, label?: string): string;
/**
 * Convert one admitted absolute or canonical relative path to its canonical
 * project-relative identity. Absolute prefix collisions and every path outside
 * the resolved project root are rejected rather than stripped textually.
 */
export declare function toCanonicalProjectRelativePath(projectDir: string, value: unknown, label?: string): string;
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