import type { Locale } from "./locale";
import type { Theme } from "./theme";
export type ViewMode = "schema" | "triples";
export type LayoutName = "fcose" | "dagre";
export type ViewerStatus = "loading" | "ready" | "error" | "empty" | "destroyed";
export interface OntologyViewerError {
    message: string;
    line?: number;
    column?: number;
    cause?: unknown;
}
export interface OntologyViewerOptions {
    /** Initial CSS height. Safe numeric CSS lengths only. Default: 600px. */
    height?: string;
    /** Theme; auto follows prefers-color-scheme. */
    theme?: Theme;
    /** Locale; auto follows navigator.language. */
    locale?: Locale;
    /** Automatic graph layout. */
    layout?: LayoutName;
    /** Initial graph view. */
    defaultView?: ViewMode;
    /**
     * In the triples view, fold leaf annotation nodes (literals and standard
     * vocabulary terms) into the nodes that point at them. Default: true.
     */
    compactTriples?: boolean;
    /** Base IRI used when the Turtle source has no @base directive. */
    baseIri?: string;
    /** @deprecated Use baseIri. */
    baseIRI?: string;
    /** Opt-in localStorage namespace. Omit to disable persistence. */
    storageKey?: string;
    /** Inject the bundled stylesheet. Set false when loading style.css under strict CSP. */
    injectStyles?: boolean;
    /** Called after a valid graph has rendered. */
    onReady?: (instance: OntologyViewerInstance) => void;
    /** Called for parse or rendering failures. */
    onError?: (error: OntologyViewerError, instance: OntologyViewerInstance) => void;
    /** Called whenever the selected graph element changes. */
    onSelectionChange?: (id: string | undefined) => void;
}
export interface InitializeOptions extends OntologyViewerOptions {
    /** Scan matching source elements once the page load is stable. */
    startOnLoad?: boolean;
    /** Selector used by the scanner. Default: pre.ontologyviewer plus inert text/turtle script sources. */
    selector?: string;
}
export interface OntologyViewerInstance {
    readonly container: HTMLElement;
    readonly sourceElement: HTMLElement;
    readonly status: ViewerStatus;
    readonly error: OntologyViewerError | undefined;
    update(turtle: string): Promise<void>;
    destroy(): void;
    fit(): void;
    runLayout(name?: LayoutName): void;
    exportPng(): Promise<Blob>;
}
export interface OntologyViewerManager {
    /** Resolves after the initial scan (if requested) has completed. */
    readonly ready: Promise<readonly OntologyViewerInstance[]>;
    instances(): readonly OntologyViewerInstance[];
    getInstance(element: HTMLElement): OntologyViewerInstance | undefined;
    /** Manually scan this document or subtree; no MutationObserver is installed. */
    scan(root?: ParentNode): readonly OntologyViewerInstance[];
    destroyAll(): void;
}
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