/**
 * The diagnostics brain: TDC source text → LSP diagnostics.
 *
 * Pure and dependency-free (beyond our own parser/validator): given the
 * current document text, parse it and validate the resulting tree, then map
 * every finding to an LSP diagnostic. This is exactly the parse+validate
 * pass the `TDC` library runs before rendering, minus the throw — an editor
 * wants to SHOW errors live, not fail.
 *
 * Pack scanning is NOT done here (it walks the filesystem — too expensive
 * per keystroke). The server scans packs once and passes their addresses in
 * via `packAddresses`, so a `template` referencing a loaded pack is not
 * flagged as unknown. Pack-file problems belong on the pack files, not on
 * the document being edited, so they are intentionally omitted.
 */
import type { DataSourceOptions } from '../data-source/index.js';
import type { LspDiagnostic } from './types.js';
export interface DiagnosticsContext {
    /** Dotted addresses of loaded data packs — accepted as valid templates. */
    readonly packAddresses?: readonly string[];
    /** Base dir / data paths for resolving `<gen type="file" src="…">`. */
    readonly dataSources?: DataSourceOptions;
}
export declare function computeDiagnostics(text: string, ctx?: DiagnosticsContext): LspDiagnostic[];
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