/**
 * SpecialJsonSchema — A variant of Schema.toJsonSchemaDocument that
 * post-processes the output (e.g. flattens simple allOf).
 */
import type * as JsonSchema from "effect/JsonSchema";
import type * as Schema from "effect/Schema";
/**
 * Converts a schema to a JSON Schema Document (draft-2020-12), with
 * post-processing that flattens simple allOf entries.
 */
export declare function specialJsonSchemaDocument(schema: Schema.Top, options?: Schema.ToJsonSchemaOptions): JsonSchema.Document<"draft-2020-12">;
/**
 * Flattens `allOf` entries into the parent when the parent already has a
 * `type` and every `allOf` entry is a plain constraint object (no `$ref`,
 * no `type`). Merged properties from `allOf` entries win on conflict.
 */
export declare function flattenSimpleAllOf(obj: unknown): unknown;
/**
 * Recursively removes `additionalProperties: false` from JSON Schema objects.
 * Only removes when the value is exactly `false` -- other values are left intact.
 */
export declare function removeAdditionalPropertiesFalse(obj: unknown): unknown;
/**
 * Flattens nested `anyOf` entries: if an anyOf entry is itself just `{ anyOf: [...] }`
 * with no other keys, its children are inlined. If only one item remains, the anyOf
 * wrapper is removed entirely.
 */
export declare function flattenNestedAnyOf(obj: unknown): unknown;
/**
 * Applies JSON Schema post-processing: flattens simple allOf,
 * flattens nested anyOf, then strips additionalProperties: false.
 */
export declare function postProcessJsonSchema(obj: JsonSchema.JsonSchema): JsonSchema.JsonSchema;
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