import { JsonValue } from "cojson";
import { AnyZodOrCoValueSchema, CoMap, CoreCoDiscriminatedUnionSchema, DiscriminableCoValueSchemas, DiscriminableCoreCoValueSchema, SchemaUnionDiscriminator } from "../../internal.js";
export declare function schemaUnionDiscriminatorFor(schema: CoreCoDiscriminatedUnionSchema<DiscriminableCoValueSchemas>): SchemaUnionDiscriminator<CoMap>;
export declare function isUnionOfPrimitivesDeeply(schema: AnyZodOrCoValueSchema): boolean;
/**
 * Flattens all options from a discriminated union schema, including nested unions.
 * Returns all options in a flat array.
 */
export declare function getFlattenedUnionOptions(schema: CoreCoDiscriminatedUnionSchema<DiscriminableCoValueSchemas>): DiscriminableCoreCoValueSchema[];
/**
 * Gets the discriminator values for a given option and discriminator key
 */
export declare function getDiscriminatorValuesForOption(option: DiscriminableCoreCoValueSchema, discriminatorKey: string): Set<unknown> | undefined;
export declare function resolveDiscriminantValue(init: unknown, discriminatorKey: string): JsonValue | undefined;
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