import type{LyraNodeTypeStyle}from'../../../internal/node-type-style.js';export interface LyraGraphNode{readonly id:string;readonly label?:string;
/** Spoken label when it needs more context than the visible label. */
readonly accessibleLabel?:string;
/** Preferred bounded tooltip/summary text in both renderers. */
readonly description?:string;
/** Clamped to [6, 24] (a non-finite/missing value uses the midpoint, 15) — never rendered smaller/larger. */
readonly radius?:number;
/** A CSS color. Invalid values and `url()` paint servers use the type/default fallback. */
readonly color?:string;
/** Key into `nodeTypes` (by `LyraNodeTypeStyle.id`) and `hiddenTypes`. Unknown/absent = untyped
*  (renders as a default circle with the token fill, but still participates in `hiddenTypes`
*  filtering by its raw string value even with no matching `nodeTypes` entry). */
readonly type?:string;
/** Renders a '+' adornment (`part='expand-indicator'`) and marks the node expandable in spoken
*  text via `graphExpandableItem`. Controlled -- the component never clears this on its own; a
*  consumer flips it (or leaves it) after appending neighbors in response to a `lr-node-expand`.
*  Does not gate the `lr-node-expand` event itself, which fires for any node's double-activate. */
readonly expandable?:boolean;
/** Community membership shorthand, unioned with any `LyraGraphCommunity.memberIds` that also lists
*  this node's id. */
readonly communityId?:string;}
/** One entry in `communities` — declares a hull's id, optional label/fill color (sanitized like
*  `LyraGraphNode.color`), and explicit membership. A node also joins this hull when its own
*  `LyraGraphNode.communityId` matches this entry's `id`, so `memberIds` and `communityId` are two
*  ways to express the same membership relationship. */
export interface LyraGraphCommunity{readonly id:string;readonly label?:string;readonly memberIds:readonly string[];
/** A CSS color. Invalid values and `url()` paint servers use the hull token. */
readonly color?:string;}
/** A link whose `target` id has no matching node renders as a short dashed stub off `source`'s
*  own position instead of being silently dropped -- e.g. for a wiki-style `[[link]]` reference to
*  a not-yet-created page. A link whose `source` id has no matching node is still dropped
*  entirely (there is no position to draw a stub from). */
export interface LyraGraphLink{
/** Optional stable id returned by `lr-link-click`. */
readonly id?:string;readonly source:string;readonly target:string;
/** Stroke/picking width. Negative values clamp to 0; non-finite or unset values use 1.5. */
readonly width?:number;
/** Optional spoken-name and SVG-tooltip fallback used before the generated source/target text.
* It is not rendered as a visible edge label. */
readonly label?:string;
/** Spoken label for the keyboard-operable link. */
readonly accessibleLabel?:string;
/** Preferred bounded tooltip/summary text in both renderers. */
readonly description?:string;
/** Draw an arrowhead at the target end. */
readonly directed?:boolean;
/** Per-link CSS stroke color; invalid values and `url()` paint servers are ignored. */
readonly color?:string;
/** SVG stroke-dash sequence. Invalid/negative entries are rejected as a whole. */
readonly dash?:readonly number[];}export interface NormalizedGraphModel{readonly nodes:readonly LyraGraphNode[];readonly links:readonly LyraGraphLink[];readonly nodeTypes:readonly LyraNodeTypeStyle[];readonly communities:readonly LyraGraphCommunity[];}export declare function graphLinkIdentity(link:{readonly id?:string;readonly source:unknown;readonly target:unknown;}):string;
/** Carries a normalized link's internal disambiguation key onto its simulation copy. */
export declare function copyGraphLinkIdentity<T extends object>(source:object,target:T):T;
/** One deterministic graph projection shared by graph rendering and orchestration consumers.
* Empty/blank identities and later duplicates are omitted first-wins before any keyed lookup,
* layout, selection, community, legend, or event path. Retained identity spelling is unchanged. */
export declare function normalizeGraphModel(nodes:readonly LyraGraphNode[],links:readonly LyraGraphLink[],nodeTypes:readonly LyraNodeTypeStyle[],communities:readonly LyraGraphCommunity[]):NormalizedGraphModel;