/**
 * Placing produced values back onto the full row range.
 *
 * A child sequence only generates values for the rows its `parent` selected, so
 * the builder works with a compacted array plus the list of rows those values
 * belong to. These three helpers are that bookkeeping: which rows apply, in
 * what ORDER the child builds them, and how the dense values go back over
 * `count` rows with the filtered ones left `undefined`. Extracted from build.ts
 * (the in-RAM bulk builder) so that file stays focused; pure, with no
 * dependency back on it.
 */
import type { ExactLayout } from './per-row.js';
import type { Sequence, SequenceRegistry, SequenceSpec } from './types.js';
/**
 * The rows a sequence builds, in the order it builds them.
 *
 * For an unparented column that is simply every row. For a child it is the
 * rows the parent selected, ordered by their RANK inside the parent's exact
 * layout — which is not their row order. The streaming engine hands a child
 * that rank as its position, so a `<mix>` under `parent="Gender.M"`, or a text
 * column under one, would otherwise arrange its own quota over a differently
 * ordered subset and land every value on the wrong row.
 *
 * Falls back to row order when the parent kept no layout — a bare
 * `parent="Name"` with no value, or a parent the streaming engine would refuse
 * as a parent anyway.
 */
export declare function orderedRows(spec: SequenceSpec, mask: readonly boolean[], layouts: ReadonlyMap<string, ExactLayout> | undefined): number[];
/**
 * Spread `produced` over `count` rows, value i landing on row `rows[i]`. The
 * rows a sequence does not apply to stay `undefined`, which is what makes a
 * child render as empty rather than as a shifted neighbour's value.
 */
export declare function assembleAt(name: string, rows: readonly number[], produced: readonly string[], count: number): Sequence;
/**
 * Which rows a sequence applies to. No `parent` → every row. `parent="Name"` →
 * rows where the parent produced anything. `parent="Name.value"` → rows where
 * the parent produced exactly that value.
 */
export declare function computeParentMask(spec: SequenceSpec, registry: SequenceRegistry, count: number): boolean[];
//# sourceMappingURL=assemble.d.ts.map