export declare class RefResolver {
    private baseDir;
    private rootSpec;
    private externalRefCache;
    constructor(baseDir: string, rootSpec: any);
    resolveRef(ref: string, spec?: any): any;
}
/**
 * Deterministically sanitizes a raw identity string for use as a Wrekenfile struct name.
 * If non-alphanumeric characters are stripped, a deterministic hash is appended to prevent
 * data loss and subsequent collisions (e.g. Foo-Bar vs Foo.Bar).
 */
export declare function sanitizeName(raw: string): string;
/**
 * Decodes JSON Pointer tokens (~1, ~0) and URI components from a $ref before
 * returning the sanitized struct name.
 */
export declare function extractRefName(ref: string): string | undefined;
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