import * as appsync from "@distilled.cloud/aws/appsync";
import * as Effect from "effect/Effect";
/**
 * AppSync serializes control-plane mutations per API; concurrent resolver /
 * data-source / schema operations surface as `ConcurrentModificationException`.
 * Ride out the contention window with a bounded retry (~40s).
 *
 * The helper carries an EXPLICIT return annotation so the conditional type
 * of `Effect.retry` never leaks into declaration emit (which would widen the
 * provider layer to `unknown` for every consumer of `AWS.providers()`).
 */
export declare const retryConcurrentModification: <A, E extends {
    _tag: string;
}, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>;
/**
 * IAM changes (fresh service roles, updated trust policies) propagate to
 * AppSync eventually; a `createDataSource` right after `createRole` can
 * transiently fail with a `BadRequestException` complaining that AppSync
 * is not authorized to assume the role. Bounded retry (~20s), scoped to
 * role-assumption messages so genuine validation errors fail fast.
 */
export declare const retryWhileRolePropagates: <A, E extends {
    _tag: string;
    message?: string;
}, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>;
/**
 * AppSync data-source and pipeline-function names must match
 * `[_A-Za-z][_0-9A-Za-z]*` (no dashes). Deterministic physical names are
 * generated with dashes, so sanitize into the allowed alphabet.
 */
export declare const sanitizeAppSyncName: (name: string) => string;
/**
 * Normalize the wire tag map (values may be `undefined`) to a plain record.
 */
export declare const tagRecord: (tags: {
    [key: string]: string | undefined;
} | undefined) => Record<string, string>;
/**
 * Diff observed tags against desired tags and apply only the delta via the
 * AppSync `tagResource`/`untagResource` operations.
 */
export declare const syncAppSyncTags: (args_0: {
    resourceArn: string;
    oldTags: Record<string, string>;
    newTags: Record<string, string>;
}) => Effect.Effect<void, import("@distilled.cloud/aws/Errors").AccessDeniedException | appsync.AccessDeniedException | appsync.BadRequestException | import("@distilled.cloud/aws/Errors").EndpointError | import("@distilled.cloud/aws/Errors").ExpiredTokenException | import("effect/unstable/http/HttpClientError").HttpClientError | import("@distilled.cloud/aws/Errors").IncompleteSignature | import("@distilled.cloud/aws/Errors").InternalFailure | appsync.InternalFailureException | appsync.LimitExceededException | import("@distilled.cloud/aws/Errors").MalformedHttpRequestException | import("@distilled.cloud/aws/Errors").NoMatchingRuleError | import("@distilled.cloud/aws/Errors").NotAuthorized | appsync.NotFoundException | import("@distilled.cloud/aws/Errors").OperationAborted | import("@distilled.cloud/aws/Errors").OptInRequired | import("@distilled.cloud/aws/Errors").RequestAbortedException | import("@distilled.cloud/aws/Errors").RequestEntityTooLargeException | import("@distilled.cloud/aws/Errors").RequestExpired | import("@distilled.cloud/aws/Errors").RequestTimeoutException | import("@distilled.cloud/aws/Errors").ServiceUnavailable | import("@distilled.cloud/aws/Errors").ThrottlingException | appsync.UnauthorizedException | import("@distilled.cloud/aws/Errors").UnknownAwsError | import("@distilled.cloud/aws/Errors").UnknownOperationException | import("@distilled.cloud/aws/Errors").UnrecognizedClientException | import("@distilled.cloud/aws/Errors").ValidationError | import("@distilled.cloud/aws/Errors").ValidationException, import("@distilled.cloud/aws/Credentials").Credentials | import("effect/unstable/http/HttpClient").HttpClient>;
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