import { defaultProvider } from "@aws-sdk/credential-provider-node";
import { Effect, Redacted, Schema } from "effect";
/** @experimental */
export interface Credential {
    readonly accessKeyId: string;
    readonly secretAccessKey: Redacted.Redacted<string>;
    readonly sessionToken?: Redacted.Redacted<string>;
    readonly expiration?: Date;
    readonly generation: string;
}
declare const CredentialFailure_base: Schema.Class<CredentialFailure, Schema.TaggedStruct<"@batonfx/providers/AmazonBedrockCredentialFailure", {
    readonly operation: Schema.Literals<readonly ["acquire", "refreshRejected"]>;
}>, import("effect/Cause").YieldableError>;
/** @experimental */
export declare class CredentialFailure extends CredentialFailure_base {
}
/** @experimental */
export interface Credentials {
    readonly acquire: Effect.Effect<Credential, CredentialFailure>;
    readonly refreshRejected: (generation: string) => Effect.Effect<Credential, CredentialFailure>;
}
/**
 * AWS SDK v3's Node default chain. It supports environment variables, shared
 * profiles (including SSO, roles, credential_process and CLI login), web
 * identity, ECS and EC2 instance metadata. Values are resolved for every call.
 * @experimental
 */
export declare const defaultChain: (options?: Parameters<typeof defaultProvider>[0]) => Credentials;
export {};