import { z } from 'zod';
import type { StaticDocumentMeta, UiWidgetType } from '@loopstack/contracts/types';
export type WidgetRef = string | UiWidgetType;
export declare const BLOCK_CONFIG_METADATA_KEY: unique symbol;
export declare const BLOCK_TYPE_METADATA_KEY: unique symbol;
export declare const TRANSITIONS_METADATA_KEY: unique symbol;
export declare const GUARDS_METADATA_KEY: unique symbol;
export declare const globalDocumentRegistry: Set<Function>;
export declare function getRegisteredDocuments(): Set<Function>;
export type BlockType = 'workflow' | 'tool' | 'document';
export interface BlockOptions {
    name?: string;
    title?: string;
    description?: string;
    widget?: WidgetRef | WidgetRef[];
    schema?: z.ZodType;
    configSchema?: z.ZodType;
    tags?: string[];
    meta?: StaticDocumentMeta;
}
export interface ToolOptions {
    name?: string;
    description?: string;
    widget?: WidgetRef | WidgetRef[];
    schema?: z.ZodType;
    configSchema?: z.ZodType;
}
export interface WorkflowOptions {
    name?: string;
    title?: string;
    description?: string;
    widget?: WidgetRef | WidgetRef[];
    schema?: z.ZodType;
    configSchema?: z.ZodType;
    stateSchema?: z.ZodType;
}
export interface DocumentOptions {
    name?: string;
    title?: string;
    description?: string;
    widget?: WidgetRef | WidgetRef[];
    schema?: z.ZodType;
    tags?: string[];
    meta?: StaticDocumentMeta;
}
export declare function Block(type: BlockType, options?: BlockOptions): ClassDecorator;
export declare function Workflow(options?: WorkflowOptions): ClassDecorator;
export declare function Tool(options?: ToolOptions): ClassDecorator;
export declare function Document(options?: DocumentOptions): ClassDecorator;
export declare function getBlockType(target: object): BlockType | undefined;
export type RetryConfig = number | {
    attempts?: number;
    delay?: number;
    backoff?: 'fixed' | 'exponential';
    maxDelay?: number;
    place?: string;
};
export interface NormalizedRetryConfig {
    attempts: number;
    delay: number;
    backoff: 'fixed' | 'exponential';
    maxDelay: number;
    place?: string;
}
export declare function normalizeRetryConfig(config?: RetryConfig): NormalizedRetryConfig;
export interface TransitionMetadata {
    methodName: string;
    from: string;
    to: string;
    wait?: boolean;
    priority?: number;
    schema?: z.ZodType;
    retry?: NormalizedRetryConfig;
    timeout?: number;
}
export interface GuardMetadata {
    transitionMethodName: string;
    guardMethodName: string;
}
export interface TransitionOptions {
    from?: string;
    to: string;
    wait?: boolean;
    priority?: number;
    schema?: z.ZodType;
    retry?: RetryConfig;
    timeout?: number;
}
export declare function Transition(options: TransitionOptions): MethodDecorator;
export declare function Guard(guardMethodName: string): MethodDecorator;
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