export type LegacyLocationPolicy = 'auto' | 'required' | 'none';
export type NativeLoggingLevel = 'off' | 'errors' | 'events';
export interface UnifiedBleExpoAndroidPermissions {
    readonly neverForLocation?: boolean;
    readonly legacyLocation?: LegacyLocationPolicy;
}
export interface UnifiedBleExpoPermissions {
    readonly bluetoothAlways?: string | false;
    readonly android?: UnifiedBleExpoAndroidPermissions;
}
export interface UnifiedBleExpoPluginOptions {
    readonly requiredHardware?: boolean;
    readonly permissions?: UnifiedBleExpoPermissions;
    readonly background?: {
        readonly ios?: {
            readonly mode: 'central';
            readonly restoration?: {
                readonly id: string;
                readonly generation?: string;
            };
            readonly showPowerAlert?: boolean;
        };
        readonly android?: AndroidBackgroundOptions;
    };
    readonly diagnostics?: {
        readonly nativeLogging?: NativeLoggingLevel;
    };
}
export type AndroidBackgroundOptions = {
    readonly mode: 'none';
} | {
    readonly mode: 'connected-device-foreground-service';
    readonly notification: {
        readonly channelId: string;
        readonly channelName: string;
        readonly title: string;
        readonly body?: string;
        readonly icon?: string;
    };
    readonly restart?: 'never' | 'while-session-intent-exists';
};
export interface IosNativeProtocolRestoration {
    readonly identifier: string;
    readonly namespace: string;
    readonly epoch: string;
    readonly clientId: string;
    readonly hostSessionScope: string;
}
export declare function validateUnifiedBleExpoPluginOptions(value: unknown): UnifiedBleExpoPluginOptions;
export interface RestorationDerivationInput {
    readonly applicationId: string;
    readonly restorationId: string;
    readonly generation?: string;
}
export declare function deriveIosNativeProtocolRestoration(input: RestorationDerivationInput): IosNativeProtocolRestoration;