/**
 * Extract a Set / Edit Fields node's assignments as a flat `{ field, value }`
 * list, normalizing across the node's format versions:
 *  - v3.4 "Edit Fields (Set)": `parameters.assignments.assignments[]` ({ name, value })
 *  - v2 "Set": `parameters.values.{string,number,boolean,…}[]` ({ name, value })
 *  - simplified/flat: each remaining top-level parameter key is a field
 */
export declare function setAssignments(parameters: Record<string, unknown>): {
    field: string;
    value: unknown;
}[];
/**
 * A Set / Edit Fields node whose assignments are all literals, pure refs, or
 * templates stays a declarative `graph:editFields` call. If ANY assignment is a
 * value the expression classifier can't lower (arithmetic, method chains,
 * `new Date()`, `$env`, …), the whole node is instead emitted as a generated
 * function that returns its computed field object — run through the same
 * translation path as a Code node. Returns that function body, or null when the
 * node has no such transform (stays editFields).
 */
export declare function computedSetSource(parameters: Record<string, unknown>): string | null;