import { EtlNode, EtlNodeTypePreset, EtlPipeline } from './types';
/** 节点类型预设表 */
export declare const ETL_NODE_PRESETS: EtlNodeTypePreset[];
/** 按类型查找预设 */
export declare const findPreset: (type: string) => EtlNodeTypePreset | undefined;
/** 按分类分组 */
export declare const ETL_NODE_GROUPS: {
    category: string;
    label: string;
    presets: EtlNodeTypePreset[];
}[];
/** 节点尺寸 */
export declare const NODE_WIDTH = 140;
export declare const NODE_HEIGHT = 56;
/** 状态颜色 */
export declare const STATUS_COLORS: Record<string, string>;
/** 创建节点 */
export declare const createEtlNode: (type: string, x?: number, y?: number) => EtlNode;
/** 创建管道 */
export declare const createPipeline: (overrides?: Partial<EtlPipeline>) => EtlPipeline;
/** 创建连线 */
export declare const createEdge: (source: string, target: string, sourcePort?: string, targetPort?: string) => {
    id: string;
    source: string;
    target: string;
    sourcePort: string;
    targetPort: string;
    label: string;
};
/** 聚合函数预设 */
export declare const AGGREGATION_FUNCTIONS: {
    value: string;
    label: any;
}[];
/** 关联类型预设 */
export declare const JOIN_TYPES: {
    value: string;
    label: any;
}[];
/** 排序方向预设 */
export declare const SORT_DIRECTIONS: {
    value: string;
    label: any;
}[];
/** 写入模式预设 */
export declare const WRITE_MODES: {
    value: string;
    label: any;
}[];
/** 文件格式预设 */
export declare const FILE_FORMATS: {
    value: string;
    label: any;
}[];
/** HTTP 方法预设 */
export declare const HTTP_METHODS: {
    value: string;
    label: any;
}[];