import type { BindingDiagnostic, BindingNodeContext, BindingRuntimeScope, BindingValueResult, DataBindingDocument, DataCatalog, DataField, DataFixtureContext, DataPreviewResolver } from './contracts.js';
export interface ProjectedDataBinding {
    bindingId: string;
    nodeId: string;
    slotId: string;
    rowPath: BindingRuntimeScope['rowPath'];
    /** The source result remains distinct from any missing-value presentation. */
    result: BindingValueResult;
    presentation: {
        kind: 'value';
        value: unknown;
    } | {
        kind: 'hidden';
    } | {
        kind: 'empty';
    } | {
        kind: 'error';
        message: string;
    };
}
export interface ProjectedDataRow {
    repeatId: string;
    templateNodeId: string;
    rowPath: BindingRuntimeScope['rowPath'];
}
export interface DataProjection {
    values: readonly ProjectedDataBinding[];
    rows: readonly ProjectedDataRow[];
    diagnostics: readonly BindingDiagnostic[];
}
/** Executable values remain opaque; only the declared field boundary is validated. */
export declare function readDataField(field: DataField, scope: BindingRuntimeScope, resolver: DataPreviewResolver): BindingValueResult;
/** Preview is a projection: it never changes a document, its history, or source expressions. */
export declare function projectDataBindings(catalog: DataCatalog, document: DataBindingDocument, nodes: readonly BindingNodeContext[], fixture: DataFixtureContext, resolver: DataPreviewResolver, options?: {
    maxRows?: number;
    maxDepth?: number;
}): DataProjection;