export declare function prepareProviderSettings(settings: unknown, provider: string, additionalKeys?: readonly string[]): asserts settings is object;
export declare function rejectAsyncProviderSettingValues(values: readonly unknown[], provider: string): void;
export declare function validateCommonProviderSettings(settings: Record<string, unknown>, provider: string): void;
export declare function snapshotProviderHeaders(value: Record<string, string> | undefined, provider: string): Record<string, string> | undefined;
export declare function snapshotProviderQueryParams(value: Record<string, string> | undefined, provider: string): Record<string, string> | undefined;