import type { BindingDiagnostic, BindingNodeContext, BindingScopeUse, BindingValidationResult, DataBindingDocument, DataCatalog } from './contracts.js';
export declare function isBindingScopeUse(value: unknown): value is BindingScopeUse;
export declare function isDataBindingDocument(input: unknown): input is DataBindingDocument;
/** Resolve lexical scope from declarations, never from displayed values or object paths. */
export declare function bindingScopeId(catalog: DataCatalog, document: DataBindingDocument, use: BindingScopeUse): string | undefined;
export declare function validateDataBindings(catalog: DataCatalog, input: unknown, nodeList: readonly BindingNodeContext[]): BindingValidationResult;
/** Contribute only newly introduced errors; the document engine owns rollback and undo. */
export declare function preflightBindingReparent(catalog: DataCatalog, document: DataBindingDocument, beforeNodes: readonly BindingNodeContext[], afterNodes: readonly BindingNodeContext[]): readonly BindingDiagnostic[];