import type { UiServiceDeps, Result, ApprovalInfo, ApprovalMutateReturn, ApprovalsApproveArgs, ApprovalsRejectArgs, ApprovalsRequestArgs, ApprovalsRequestReturn } from '../types.js';
/**
 * Flip a single approval's Status line to `approved`/`rejected` (with `now` timestamp and,
 * for reject, an optional parenthetical feedback). Idempotent: if the target entry already has
 * the requested status, the markdown is returned unchanged. Throws `not-found` for an unknown id.
 * Only the matched entry's `- **Status**:` line is rewritten — every other line is byte-preserved.
 */
export declare function applyApprovalDecision(md: string, id: string, decision: 'approved' | 'rejected', now: string, feedback?: string): {
    md: string;
    entry: ApprovalInfo;
};
export declare function handleApproveApproval(deps: UiServiceDeps, args: ApprovalsApproveArgs): Promise<Result<ApprovalMutateReturn>>;
export declare function handleRejectApproval(deps: UiServiceDeps, args: ApprovalsRejectArgs): Promise<Result<ApprovalMutateReturn>>;
/**
 * Build the markdown block for a queued high-privilege operation, matching the `need-approval`
 * skill's format exactly (so `parseApprovals` reads it back and the Approval Center renders it).
 * SECURITY: every prose field is SERVER-constructed from the closed `kind` enum — the browser never
 * supplies markdown. The only free-text input, `machineName`, is sanitized (newlines stripped,
 * length-capped) so it cannot inject a new `##` heading or bullet. Returns the heading line (for a
 * stable `headingId`) alongside the full block. Deliberately NO `Project` bullet: both kinds are
 * system-level operations → projectId stays null ("global") when parsed back.
 */
export declare function buildApprovalEntry(args: ApprovalsRequestArgs, today: string): {
    heading: string;
    block: string;
};
/**
 * Append a `pending` approval entry for a high-privilege operation. Enqueue-only: it NEVER runs the
 * operation (a human/agent actions it after approval, mirroring approve/reject). Creates the file if
 * absent; otherwise appends after a single blank-line separator, preserving all prior entries.
 */
export declare function handleRequestApproval(deps: UiServiceDeps, args: ApprovalsRequestArgs): Promise<Result<ApprovalsRequestReturn>>;