export type KnowledgeNodeType = 'person' | 'org' | 'project' | 'topic' | 'goal' | 'tool' | 'other';
export type KnowledgeNode = {
    id: string;
    label: string;
    type: KnowledgeNodeType;
    parentId?: string;
    notes?: string;
    tags?: string[];
    createdAt: string;
    updatedAt: string;
};
export type KnowledgeGraph = {
    ownerName: string;
    nodes: KnowledgeNode[];
    updatedAt: string;
};
export declare function getKnowledgeGraph(): Promise<KnowledgeGraph>;
export declare function setOwnerName(name: string): Promise<KnowledgeGraph>;
export declare function upsertKnowledgeNode(input: {
    label: string;
    type: KnowledgeNodeType;
    parentId?: string;
    notes?: string;
    tags?: string[];
}): Promise<KnowledgeNode>;
export declare function searchKnowledgeGraph(query: string, limit?: number): Promise<KnowledgeNode[]>;
export declare function getKnowledgeTree(rootLabel?: string): Promise<Record<string, unknown>>;
export declare function linkKnowledgeNodes(parentLabel: string, childLabel: string, childType?: KnowledgeNodeType): Promise<{
    parent: KnowledgeNode;
    child: KnowledgeNode;
}>;
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