import type { ProjectGraphPolicy, ProjectGraphQueryInput, ProjectGraphSlice } from '../../types/project-knowledge-graph.js';
export declare function redactGraphText(text: string, policy: ProjectGraphPolicy, maxChars?: number): string;
export declare function queryProjectGraphSlice(input: ProjectGraphQueryInput): Promise<ProjectGraphSlice | null>;
export declare function formatProjectGraphContext(slice: ProjectGraphSlice): Promise<string>;
export declare function getProjectGraphFreshnessHint(args: {
    projectId?: string;
    projectPath: string;
}): Promise<string | undefined>;
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