import type{LyraOrientation,LyraToolStatus}from'../../../internal/shared-unions.js';import type{LyraVariant}from'../../../internal/variants.js';
/** A named input/output connection point on a flow node. Collections retain the first valid
* occurrence of each id; an unreadable optional label does not reserve that id. */
export interface FlowHandle{readonly id:string;readonly label?:string;}
/** A controlled node in a flow canvas. `id` must be nonempty and unique within `nodes`; the
* first valid occurrence wins. Reassign the collection to publish model changes. */
export interface FlowNode{readonly id:string;
/**
* Consumer taxonomy. Adopted cards receive the exact value as `data-node-type`; declarative
* fallback cards expose a normalized `node-type-{value}` CSS part that can inherit node tokens.
*/
readonly type?:string;
/** Content coordinates. Absent means that the shared layered layout places the node. */
readonly position?:Readonly<{x:number;y:number;}>;
/** The fallback card reads string `label`/`description` fields; arbitrary otherwise. */
readonly data?:Readonly<Record<string,unknown>>;
/** Spoken-name override; falls back to `data.label`, then `id`. */
readonly accessibleLabel?:string;readonly inputs?:readonly FlowHandle[];readonly outputs?:readonly FlowHandle[];
/**
* Marks this node non-actionable: it cannot be selected or activated by click or keyboard (its
* `node-control` renders a genuinely disabled `<button>`), roving-tabindex navigation steps past
* it instead of landing on it, it cannot be dragged even while `nodes-draggable`, and it is
* excluded from starting or receiving a new connection while `connectable` (an already-existing
* edge touching it is left alone). Omitted or `false` renders the node exactly as before this
* field existed.
*/
readonly disabled?:boolean;}
/** A directed edge in a flow canvas. `id` must be nonempty and unique within `edges`; the first
* valid occurrence wins. */
export interface FlowEdge{readonly id:string;readonly source:string;readonly target:string;readonly sourceHandle?:string;readonly targetHandle?:string;
/** Drawn at the edge midpoint (unlike `lr-graph`'s spoken-only link label). */
readonly label?:string;
/** Semantic edge color. The shared vocabulary uses `brand`, not the removed `accent` value. */
readonly tone?:LyraVariant;}
/** Execution decoration for a node or edge. Invalid statuses are omitted at the input boundary. */
export interface FlowRunDecoration{readonly status:LyraToolStatus;readonly progress?:number;readonly durationMs?:number;readonly detail?:string;}export type FlowRunDecorations=Readonly<Record<string,Readonly<FlowRunDecoration>>>;export interface FlowStructureNodeSnapshot{readonly id:string;readonly x:number;readonly y:number;readonly width:number;readonly height:number;readonly status?:LyraToolStatus;}export interface FlowStructureEdgeSnapshot{readonly id:string;readonly source:string;readonly target:string;readonly status?:LyraToolStatus;}export interface FlowViewportSnapshot{readonly x:number;readonly y:number;readonly zoom:number;readonly width:number;readonly height:number;
/** Finite, positive, sorted bounds actually used by the canvas. */
readonly minZoom:number;readonly maxZoom:number;}
/** Detached, deeply frozen state delivered to each companion observer. */
export interface FlowStructureSnapshot{readonly nodes:readonly FlowStructureNodeSnapshot[];readonly edges:readonly FlowStructureEdgeSnapshot[];readonly viewport:FlowViewportSnapshot;readonly locked:boolean;readonly orientation:LyraOrientation;readonly layerGap:number;readonly nodeGap:number;}export interface FlowLayoutChangeDetail{readonly positions:Readonly<Record<string,Readonly<{x:number;y:number;}>>>;
/** True when the configured layered-layout work ceiling omitted virtual ordering waypoints. */
readonly truncated:boolean;}
/** The drag/drop MIME type shared by the node palette and flow canvas. */
export declare const FLOW_PALETTE_MIME_TYPE="application/lr-flow-node";