import type { HarneryConversationRecordV1 } from "./contract.js";
export declare const HARNERY_CONVERSATION_PURGE_PLAN_SCHEMA: "harnery.conversation-purge-plan/v1";
export interface HarneryConversationPurgePlan {
    schema: typeof HARNERY_CONVERSATION_PURGE_PLAN_SCHEMA;
    transaction_id: string;
    project_scope_id: string;
    conversation_id?: string;
    before?: string;
    record_ids: readonly string[];
    record_digests: readonly string[];
    remove_bytes: number;
    retained_record_count: number;
    external_source_state: "adapter-owned-copy-may-remain";
    dry_run: true;
    executable: false;
}
export declare function planConversationPurge(input: {
    records: readonly HarneryConversationRecordV1[];
    project_scope_id: string;
    conversation_id?: string;
    before?: string;
    transaction_id?: string;
}): HarneryConversationPurgePlan;
export declare function validatePurgeExecutionRequest(plan: HarneryConversationPurgePlan, transactionId: string | undefined, yes: boolean): {
    accepted: false;
    reason_code: "confirmation_required" | "transaction_mismatch" | "execution_disabled";
};
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