/**
 * saga.create — create a Saga as a first-class TaskType (type='saga') per ADR-083.
 *
 * Pure business logic. Returns an EngineResult; the dispatch layer
 * (`packages/cleo/src/dispatch/domains/tasks.ts`) wraps it in a LAFS
 * envelope.
 *
 * Moved from `packages/cleo/src/dispatch/domains/tasks.ts::sagaCreate` per
 * AGENTS.md Package-Boundary Check (Saga T10113 / Epic T10208).
 *
 * @task T10124
 * @task T10120
 * @epic T10208
 * @see ADR-073-above-epic-naming.md §1
 */
import type { TaskRecord } from '@cleocode/contracts';
import type { EngineResult } from '../engine-result.js';
/** Input parameters for {@link sagaCreate}. */
export interface SagaCreateParams {
    /** Saga title (required). */
    title: string;
    /** Optional long-form description. */
    description?: string;
    /** Optional acceptance criteria. */
    acceptance?: string[];
    /** Validate and preview the Saga without writing task, relation, or doc rows. */
    dryRun?: boolean;
}
/** Result shape for {@link sagaCreate}. */
export interface SagaCreateResult {
    task: TaskRecord;
    duplicate: boolean;
    dryRun?: boolean;
    warnings?: string[];
    /** Number of Saga tasks that would be created by a successful dry-run. */
    wouldCreate?: number;
    /** Generic affected-entity count for dry-run projection. */
    wouldAffect?: number;
    /** Number of Saga specs validated during dry-run preflight. */
    validatedCount?: number;
    /** Number of rows durably inserted; always 0 for dry-run. */
    insertedCount?: number;
}
/**
 * Create a Saga — a top-level task with `type='saga'` per ADR-083 §2.5.
 *
 * @param projectRoot - Absolute path to the project root.
 * @param params - Saga creation parameters.
 * @returns EngineResult with the created task record and duplicate flag.
 */
export declare function sagaCreate(projectRoot: string, params: SagaCreateParams): Promise<EngineResult<SagaCreateResult>>;
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