import type { SyncTimingSink } from "../shared/observability/syncTiming.js";
/** Writer identity used to fence mapped entity lifecycle commits. */
export interface TypedSheetsEntityWriterOptions {
    /** Stable process or service identity that owns mapped entity writes. */
    readonly writerId: string;
    /** Lease role. It may differ from the effect worker's role. */
    readonly role?: string;
    /** Writer lease length in milliseconds. */
    readonly leaseDurationMs?: number;
    /** Injectable clock used for deterministic tests and fencing. */
    readonly now?: () => number;
    /** Injectable opaque-ID source used for commit and effect identities. */
    readonly createId?: () => string;
    /** Optional diagnostics sink for append/update/delete flush phases. */
    readonly onTiming?: SyncTimingSink;
    /**
     * Fired AT WAIT ENTRY — immediately before a startup writer-lease wait
     * gate begins sleeping — by every gate site (mapped registration, conflict
     * route registration, adoption seeding). Each waited gate invocation fires
     * it at most once; the injecting bootstrap latches it for a once-per-
     * startup warning. Injected by the sync bootstrap because the warning must
     * live in the package that owns logging; storage never depends on log
     * infrastructure.
     */
    readonly onStartupLeaseWait?: () => void;
}
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