import { OpenAPIV3, OpenAPIV3_1, OpenApi3SchemaFact } from '@useoptic/openapi-utilities';
export declare function isInUnionProperty(jsonPath: string): boolean;
export declare function schemaIsUnion(schema?: OpenAPIV3.SchemaObject | OpenAPIV3.ReferenceObject | OpenApi3SchemaFact): schema is OpenAPIV3.SchemaObject;
type UnionDiffResult = {
    request: boolean;
    requestReasons: {
        key: string;
        reason: string;
    }[];
    response: boolean;
    responseReasons: {
        key: string;
        reason: string;
    }[];
};
export declare function computeUnionTransition(before: OpenAPIV3.SchemaObject | OpenAPIV3_1.SchemaObject | OpenAPIV3.ReferenceObject, after: OpenAPIV3.SchemaObject | OpenAPIV3_1.SchemaObject | OpenAPIV3.ReferenceObject): UnionDiffResult;
export {};
//# sourceMappingURL=unions.d.ts.map