import { OffsetRange, ActionKeyedStep } from "./json/positions.js";
/** A syntax error reduced to an offset span + message, format-agnostic. */
export interface SyntaxErrorSpan {
    range: OffsetRange;
    message: string;
}
/**
 * A format-agnostic view of a parsed spec/config buffer. JSON and YAML each
 * provide one; the diagnostics (and, later, inline) pipeline works against this
 * interface so the schema/action logic is written once.
 */
export interface SpecModel {
    /** The plain JS value (undefined for empty/unparseable buffers). */
    value: any;
    /** Syntax-error spans + messages (empty when the buffer parses cleanly). */
    syntaxErrors: SyntaxErrorSpan[];
    /** Source span for an AJV instancePath, or null if unlocatable. */
    rangeForPath(instancePath: string): OffsetRange | null;
    /** Steps written in the legacy `action`-keyed form. */
    actionKeyedSteps(): ActionKeyedStep[];
}
/**
 * Build the right model for a buffer by extension, or null for an unsupported
 * one. Callers gate on the classifier separately (spec vs config).
 */
export declare function buildModel(uri: string, text: string): SpecModel | null;
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