/**
 * WorkflowVariable Model
 *
 * Pure data model for workflow variables (thresholds, config values).
 */
import type { SystemVariable as SystemVariableSchema, WorkflowVariable as WorkflowVariableSchema } from "@artu-ai/shared";
import { WorkflowVariableScope } from "@artu-ai/shared";
import { BaseModel } from "./base";
export type WorkflowVariableData = WorkflowVariableSchema;
export type SystemVariableData = SystemVariableSchema;
export declare class WorkflowVariable extends BaseModel<WorkflowVariableData> {
    get id(): string;
    get organizationId(): string;
    get environment(): "test" | "live";
    get name(): string;
    get value(): unknown;
    get description(): string | undefined;
    get scope(): WorkflowVariableScope;
    get metadata(): Record<string, unknown> | undefined;
    get effectiveDate(): string;
    get isSystem(): boolean;
    get isOrganization(): boolean;
    get createdAt(): Date;
    get updatedAt(): Date;
    toString(): string;
}
export declare class SystemVariable extends BaseModel<SystemVariableData> {
    get name(): string;
    get value(): unknown;
    get description(): string;
    get scope(): "system";
    get effectiveDate(): string;
    toString(): string;
}
export declare function isWorkflowVariable(value: unknown): value is WorkflowVariable;