/**
 * Minimal OpenAPI 3.x types for components/schemas round-trip.
 */
export interface OpenApiRef {
    $ref: string;
}
export interface OpenApiSchemaObject {
    type?: string;
    format?: string;
    properties?: Record<string, OpenApiSchema>;
    items?: OpenApiSchema;
    enum?: (string | number)[];
    description?: string;
    /** DeukPack: preserve field id when emitting */
    'x-field-id'?: number;
}
export type OpenApiSchema = OpenApiRef | OpenApiSchemaObject;
export interface OpenApiComponents {
    schemas?: Record<string, OpenApiSchema>;
}
export interface OpenApiSpec {
    openapi?: string;
    info?: {
        title?: string;
        version?: string;
    };
    components?: OpenApiComponents;
}
export declare function isRef(schema: OpenApiSchema): schema is OpenApiRef;
export declare function resolveRef(ref: string): string;
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