export type Stereotype = 'Entity' | 'ValueObject' | 'Aggregate' | 'Repository' | 'Service' | 'unknown';
export type Visibility = 'public' | 'private' | 'protected' | 'package';
export interface PropertyDef {
    visibility: Visibility;
    type: string;
    name: string;
}
export interface MethodDef {
    visibility: Visibility;
    name: string;
    params: ParamDef[];
    returnType: string;
}
export interface ParamDef {
    name: string;
    type: string;
}
export interface ClassDef {
    name: string;
    stereotype: Stereotype;
    properties: PropertyDef[];
    methods: MethodDef[];
}
export interface RelationshipDef {
    from: string;
    to: string;
    arrow: string;
    label?: string;
    fromCard?: string;
    toCard?: string;
}
export interface ClassDiagram {
    classes: ClassDef[];
    relationships: RelationshipDef[];
}
export declare function extractMermaidBlocks(markdown: string): string[];
export declare function parseClassDiagram(block: string): ClassDiagram | null;
export declare function parseDddModel(markdown: string): ClassDiagram | null;