import type { HsonNode } from "./types.js";
export type CanonicalHsonDifferenceKind = "array-index-difference" | "attribute-presence" | "attribute-value" | "content-length" | "content-ordering" | "field-presence" | "metadata-presence" | "metadata-value" | "negative-zero-mismatch" | "node-name-mismatch" | "quid-difference" | "root-leakage" | "scalar-value-mismatch" | "structural-mode-mismatch" | "value-type-mismatch" | "vsn-mismatch";
export type CanonicalHsonDifference = Readonly<{
    kind: CanonicalHsonDifferenceKind;
    path: string;
    message: string;
    left?: unknown;
    right?: unknown;
    content?: "missing-node" | "extra-node";
}>;
/**
 * Return the first deterministic difference between supplied canonical graphs.
 * This traversal is strict: it performs no admission, normalization, sorting,
 * wrapper repair, metadata projection, or string coercion and never mutates an
 * operand.
 */
export declare function canonical_hson_graph_difference(left: HsonNode, right: HsonNode): CanonicalHsonDifference | undefined;
/** Strict canonical graph equality with no comparison-time transformation. */
export declare function canonical_hson_graph_equal(left: HsonNode, right: HsonNode): boolean;
//# sourceMappingURL=canonical-hson-equal.d.ts.map