/**
 * Transport-neutral contracts for mounted, addressable data surfaces.
 *
 * This module is intentionally a leaf: it owns no transport, DOM, query
 * execution, authorization, persistence, or domain workflow. A browser host
 * may register a mounted surface here; adapters above smrt-ui can expose the
 * resulting serializable contracts to people or agents.
 */
import type { DataSurfaceActionRequest, DataSurfaceDescriptor, DataSurfaceQueryRequest, DataSurfaceRegistry, DataSurfaceSnapshot, DataSurfaceVisibleCommand } from '@happyvertical/smrt-types';
export type { DataSurfaceActionDescriptor, DataSurfaceActionRequest, DataSurfaceActionResult, DataSurfaceActionRowOutcome, DataSurfaceActionWireRequest, DataSurfaceColumnCapability, DataSurfaceColumnDescriptor, DataSurfaceColumnOperators, DataSurfaceColumnRole, DataSurfaceColumnVisibility, DataSurfaceCommandExecution, DataSurfaceCommandFailureReason, DataSurfaceCommandResult, DataSurfaceDescriptor, DataSurfaceIdentity, DataSurfaceJsonObject, DataSurfaceJsonPrimitive, DataSurfaceJsonValue, DataSurfaceKind, DataSurfaceLimits, DataSurfaceQueryCapabilities, DataSurfaceQueryMode, DataSurfaceQueryRequest, DataSurfaceQueryResult, DataSurfaceRegistration, DataSurfaceRegistry, DataSurfaceRegistryEvent, DataSurfaceRowId, DataSurfaceSelectionReference, DataSurfaceSelectionScope, DataSurfaceSensitivity, DataSurfaceSnapshot, DataSurfaceSnapshotState, DataSurfaceSubject, DataSurfaceValidationReason, DataSurfaceValidationResult, DataSurfaceVisibleCommand, DataSurfaceVisibleControl, } from '@happyvertical/smrt-types';
/** Generic browser-transport ceiling for normalized command/action envelopes. */
export declare const DATA_SURFACE_MAX_REQUEST_BYTES = 100000;
/** Maximum length shared by every DataSurface protocol identifier. */
export declare const DATA_SURFACE_IDENTIFIER_MAX_LENGTH = 256;
/** Per-surface LRU capacity for command acknowledgement replay. */
export declare const DATA_SURFACE_MAX_REPLAY_ENTRIES = 100;
export declare function normalizeDataSurfaceDescriptor(value: DataSurfaceDescriptor): DataSurfaceDescriptor;
export declare function normalizeDataSurfaceSnapshot(value: DataSurfaceSnapshot): DataSurfaceSnapshot;
export declare function normalizeDataSurfaceVisibleCommand(value: DataSurfaceVisibleCommand): DataSurfaceVisibleCommand;
export declare function normalizeDataSurfaceQueryRequest(value: DataSurfaceQueryRequest): DataSurfaceQueryRequest;
export declare function normalizeDataSurfaceActionRequest(value: DataSurfaceActionRequest): DataSurfaceActionRequest;
/** Create an isolated registry; applications choose how it is exposed. */
export declare function createDataSurfaceRegistry(): DataSurfaceRegistry;
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