/**
 * Shared detection for the `Schema<T> | JsonSchema` inputs the public
 * `tool()` and `agent()` surfaces accept.
 *
 * Both surfaces take either a materialized contract schema or a raw JSON
 * Schema document, and both must tell them apart the same way, so the
 * predicates live here rather than beside either caller.
 *
 * @module schemas/schema-input
 */
import type { JsonSchema, Schema } from "../extensions/schema/index.js";
export declare function snapshotJsonSchemaObject(value: unknown): JsonSchema | undefined;
export declare function isInferredJsonSchemaObject(value: JsonSchema): boolean;
export declare function isContractSchema(value: unknown): value is Schema<unknown>;
//# sourceMappingURL=schema-input.d.ts.map