/**
 * Unified system-reminder builder — single source of truth for all
 * `<system-reminder>` XML blocks across the dispatch and graph subsystems.
 *
 * Output format (Scheme B: structured minimal):
 * ```
 * <system-reminder>
 * [MARKER]
 * key: value
 * key: value
 *
 * → action instruction
 * </system-reminder>
 * ```
 *
 * Rules enforced here that every call-site formerly replicated by hand:
 * - No markdown bold (`**…**`). Fields use plain `key: value`.
 * - No consecutive spaces for visual alignment. Fields are one-per-line by
 *   default; `inline: true` fields join with a single space.
 * - Marker string is passed through verbatim — it is a contract string
 *   matched by `isDispatchNotification()`.
 * - Empty/null-value fields are omitted (no "N/A").
 * - Action lines are prefixed with `→ ` and separated from the data block
 *   by a blank line. Multiple actions each get their own `→ ` line.
 * - Body is embedded as free text and may contain line breaks.
 */
export interface ReminderField {
    label: string;
    value: string;
    /** Join with preceding field(s) using a single space (same line). */
    inline?: boolean;
}
export interface BuildReminderOpts {
    /** Contract marker, emitted verbatim. Omit for marker-less reminders. */
    marker?: string;
    /** Key-value data fields. */
    fields?: ReminderField[];
    /** Next-step instruction(s). Multiple lines: each line gets `→ ` prefix. */
    action?: string;
    /** Free-form body (approval notes, multi-line explanations, etc.). */
    body?: string;
    /**
     * Compact single-line mode — all content on one line inside the
     * `<system-reminder>` wrapper. Fields are space-joined; action
     * follows after ` → `; body appends. No newlines anywhere.
     */
    compact?: boolean;
}
/**
 * Build a `<system-reminder>` block.
 *
 * @example Plain marker
 *   buildReminder({ marker: "[GRAPH NODE COMPLETED]" })
 *
 * @example Marker + fields + action
 *   buildReminder({
 *     marker: "[GRAPH NODE COMPLETED]",
 *     fields: [
 *       { label: "Graph", value: "g1" },
 *       { label: "Node", value: "n1" },
 *     ],
 *     action: "Use graph_status to inspect the result.",
 *   })
 *
 * @example Marker + body (approval gate)
 *   buildReminder({
 *     marker: "[BLOCKED: NEEDS APPROVAL]",
 *     body: "The result is ready for review.",
 *   })
 */
export declare function buildReminder(opts: BuildReminderOpts): string;
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