/** The system-prompt `<memory kind="preference">` block for `nodeId`: assemble
 *  the node's subject from the canvas-db, render the pure block, then swap the
 *  literal `$CRTR_CONTEXT_DIR` env-var token for the node's real absolute path
 *  so agents don't paste it into the non-expanding Write tool (see
 *  interpolateNodePaths). A null subject (unknown id) still renders the
 *  always-present memory-usage guidance frame. */
export declare function renderPreferencesSection(nodeId: string): string;
/** The first-message `<memory kind="knowledge">` block for `nodeId`: assemble
 *  the node's subject from the canvas-db and render the consultable catalog.
 *  Returns '' for an unknown id or when nothing is eligible. */
export declare function renderKnowledgeBlock(nodeId: string): string;