/**
 * A `<mix>` built in memory, arranged exactly as the streaming engine arranges it.
 *
 * The mirror of `stream-mix.ts`, and deliberately so: a mix picks its case by an
 * exact percentage layout over the whole run, then assembles that case's body.
 * Both halves are keyed by `(seed, streamId)`, so the two engines put the same
 * case on the same row and draw the same body for it.
 *
 * The one thing to keep straight is which index is which. A row has three
 * numbers here:
 *   - its POSITION in the mix's domain (0…size−1, after any parent mask),
 *   - its SLOT, `permute(position)`, which is what the case quotas are cut from,
 *   - its ROW, the absolute index in the run, which is what a per-row draw keys on.
 * A case's body sees a domain of its own, where position runs 0…quota−1 in slot
 * order — not in row order — and that is exactly what the streaming engine's
 * `popIndexAt` hands it.
 */
import type { SequenceBuildContext } from './context.js';
import type { CaseSpec, MixSpec } from './types.js';
/** The rows a mix (or one of its cases) covers, in the order it builds them. */
export interface MixDomain {
    readonly size: number;
    /** The absolute row of the domain's `local`-th position. */
    readonly rowAt: (local: number) => number;
}
/** Build a mix over `domain`, returning one value per position in it. */
export declare function buildKeyedMixValues(mixSpec: MixSpec, domain: MixDomain, seed: string, streamId: string, prng: () => number, locale: string, now: number, ctx: SequenceBuildContext, flagsOut?: boolean[]): string[];
/**
 * `flagsOut`, when given, records for each row whether the case selected for it
 * carries `anomaly="true"` — the ground-truth label behind `<mix flag="NAME">`.
 * It reflects the SELECTION, so the label and the value can never disagree.
 */
export declare function buildMixValues(mixSpec: MixSpec, count: number, prng: () => number, locale: string, now: number, ctx: SequenceBuildContext, flagsOut?: boolean[]): string[];
export declare function buildCaseValues(caseSpec: CaseSpec, count: number, prng: () => number, locale: string, now: number, ctx: SequenceBuildContext): string[];
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