/** Which AWS credential-resolution path failed. */
export type AwsCredentialsErrorKind = 
/** No usable credential source resolved (chain exhausted). */
"resolution"
/** SSO cache token missing (`aws sso login` not run). */
 | "sso-token-missing"
/** SSO cache token present but expired. */
 | "sso-token-expired"
/** SSO `GetRoleCredentials` call failed or returned no role. */
 | "sso-role"
/** External `credential_process` failed, timed out, or emitted bad output. */
 | "credential-process";
/** A failure resolving AWS credentials for the Bedrock provider. */
export declare class AwsCredentialsError extends Error {
    readonly kind: AwsCredentialsErrorKind;
    constructor(message: string, kind: AwsCredentialsErrorKind, options?: {
        cause?: unknown;
    });
}
/** A malformed AWS event-stream frame (bad length, CRC mismatch, unknown header type). */
export declare class EventStreamFrameError extends Error {
    constructor(detail: string);
}