import type { Presence } from "../state/types.js";
import { type SyncProjectionKind, type SyncProtocolVersion, type SyncSnapshotReadMode } from "./constants.js";
import { type SyncSheetsErrorCode } from "./errors.js";
/** Requires a non-empty string at a provider contract boundary. */
export declare function requireSyncSheetsText(value: unknown, label: string, errorCode: SyncSheetsErrorCode): string;
/** Requires a positive safe integer at a provider contract boundary. */
export declare function requireSyncSheetsPositiveSafeInteger(value: unknown, label: string, errorCode: SyncSheetsErrorCode): number;
/** Requires a non-negative safe integer at a provider contract boundary. */
export declare function requireSyncSheetsNonNegativeSafeInteger(value: unknown, label: string, errorCode: SyncSheetsErrorCode): number;
/** Decodes an optional text value returned by the runtime provider. */
export declare function decodeSyncSheetsPresenceString(value: unknown, label: string, errorCode?: SyncSheetsErrorCode): Presence<string>;
/** Decodes an optional non-negative revision returned by the runtime provider. */
export declare function decodeSyncSheetsPresenceNonNegativeSafeInteger(value: unknown, label: string, errorCode?: SyncSheetsErrorCode): Presence<number>;
/** Requires a protocol version returned by the runtime provider. */
export declare function requireSyncProtocolVersion(value: unknown, label: string, errorCode: SyncSheetsErrorCode): SyncProtocolVersion;
/** Requires a projection label returned by the runtime provider. */
export declare function requireSyncProjectionKind(value: unknown, label: string, errorCode: SyncSheetsErrorCode): SyncProjectionKind;
/** Requires a supported snapshot detail level at a provider boundary. */
export declare function requireSyncSnapshotReadMode(value: unknown, label: string, errorCode: SyncSheetsErrorCode): SyncSnapshotReadMode;
/** Requires a non-empty list at a provider contract boundary. */
export declare function requireSyncSheetsNonEmptyList<T>(values: readonly T[], label: string, errorCode: SyncSheetsErrorCode): void;
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