import type { TokenLibraryDiagnostic, TokenLibraryDocument, TokenLibraryEngine, TokenLibraryEngineOptions, TokenLibraryValidationResult, TokenValueEditability, TokenValueResolution } from './contracts.js';
export declare class TokenLibraryValidationError extends Error {
    readonly diagnostics: readonly TokenLibraryDiagnostic[];
    constructor(diagnostics: readonly TokenLibraryDiagnostic[]);
}
/** Validate authored syntax boundaries and the complete token/mode reference graph. */
export declare function validateTokenLibraryDocument(input: unknown): TokenLibraryValidationResult;
/** A lightweight lookup for an already validated library; returned data is detached and frozen. */
export declare function resolveTokenLibraryValue(document: TokenLibraryDocument, tokenId: string, modeId: string): TokenValueResolution;
export declare function tokenValueEditability(document: TokenLibraryDocument, tokenId: string, modeId: string): TokenValueEditability;
/** Separate library sessions share the existing document transaction and history implementation. */
export declare function createTokenLibraryEngine(document: TokenLibraryDocument, options?: TokenLibraryEngineOptions): TokenLibraryEngine;
export declare function reopenTokenLibrary(serialized: string, options?: TokenLibraryEngineOptions): TokenLibraryEngine;