export declare enum ChangeDetectionStrategy {
    /**
     * `CheckedOnce` means that after calling detectChanges the mode of the change detector
     * will become `Checked`.
     */
    CheckOnce = 0,
    /**
     * `Checked` means that the change detector should be skipped until its mode changes to
     * `CheckOnce`.
     */
    Checked = 1,
    /**
     * `CheckAlways` means that after calling detectChanges the mode of the change detector
     * will remain `CheckAlways`.
     */
    CheckAlways = 2,
    /**
     * `Detached` means that the change detector sub tree is not a part of the main tree and
     * should be skipped.
     */
    Detached = 3,
    /**
     * `OnPush` means that the change detector's mode will be set to `CheckOnce` during hydration.
     */
    OnPush = 4,
    /**
     * `Default` means that the change detector's mode will be set to `CheckAlways` during hydration.
     */
    Default = 5,
    /**
     * This is an experimental feature. Works only in Dart.
     */
    OnPushObserve = 6,
}
export declare var CHANGE_DETECTION_STRATEGY_VALUES: ChangeDetectionStrategy[];
export declare function isDefaultChangeDetectionStrategy(changeDetectionStrategy: ChangeDetectionStrategy): boolean;
