/**
 * Applies one mapped entity lifecycle change to canonical SQLite state.
 *
 * Each operation prepares its projection effects first, then commits canonical
 * state and its outbox entries through the storage transaction boundary.
 */
import type { SqlExecutor } from "../../../contracts/storage/sql.js";
import type { FencingContext } from "../support/contracts.js";
import type { ResolvedWriterOptions, MappedChangePlan } from "../support/contracts.js";
/** Applies one mapped change and emits append/update/delete phase timings. */
export declare function applyMappedChange(sql: SqlExecutor, fence: FencingContext, writer: ResolvedWriterOptions, plan: MappedChangePlan, options?: {
    readonly suppressUserProjection?: boolean;
}): Promise<{
    readonly commitId: string;
}>;
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