export declare const CONFIG_MUTATIONS_SCHEMA_VERSION: 1;
export type ConfigMutationRecord = {
    schemaVersion: typeof CONFIG_MUTATIONS_SCHEMA_VERSION;
    timestamp: string;
    actor: string;
    key: string;
    layer: "project" | "user";
    operation: "set" | "unset";
    ok: boolean;
    code?: string;
    message?: string;
    previousSummary?: string;
    nextSummary?: string;
};
export declare function appendConfigMutation(workspacePath: string, record: Omit<ConfigMutationRecord, "schemaVersion"> & {
    schemaVersion?: number;
}): Promise<void>;
export declare function summarizeForEvidence(key: string, sensitive: boolean, value: unknown): string;
