import { SchemaInitializerItemType } from '@tachybase/client';
import { ISchema } from '@tachybase/schema';
import { PluginWorkflow } from '../../Plugin';
import { UseVariableOptions, VariableOption } from '../../variable';
export type NodeAvailableContext = {
    engine: PluginWorkflow;
    workflow: object;
    upstream: object;
    branchIndex: number;
};
export declare enum BuiltinGroupType {
    CONTROL = "control",
    COLLECTION = "collection",
    EXTENDED = "extended",
    MANUAL = "manual",
    ADVANCED = "advanced"
}
export type GroupType = BuiltinGroupType | string;
export declare abstract class Instruction {
    title: string;
    type: string;
    group: GroupType;
    icon: string;
    color: string;
    isHot?: boolean;
    description?: string;
    options?: {
        label: string;
        value: any;
        key: string;
    }[];
    fieldset: {
        [key: string]: ISchema;
    };
    view?: ISchema;
    scope?: {
        [key: string]: any;
    };
    components?: {
        [key: string]: any;
    };
    Component?(props: any): JSX.Element;
    useVariables?(node: any, options?: UseVariableOptions): VariableOption;
    useScopeVariables?(node: any, options?: any): VariableOption[];
    useCurrentFormVariables?(node: any, options?: any): VariableOption[];
    useInitializers?(node: any): SchemaInitializerItemType | null;
    isAvailable?(ctx: NodeAvailableContext): boolean;
    end?: boolean | ((node: any) => boolean);
}