/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { AnimateTimings, AnimationMetadataType, AnimationOptions, ɵStyleData } from '@angular/animations';
export interface AstVisitor {
    visitTrigger(ast: TriggerAst, context: any): any;
    visitState(ast: StateAst, context: any): any;
    visitTransition(ast: TransitionAst, context: any): any;
    visitSequence(ast: SequenceAst, context: any): any;
    visitGroup(ast: GroupAst, context: any): any;
    visitAnimate(ast: AnimateAst, context: any): any;
    visitStyle(ast: StyleAst, context: any): any;
    visitKeyframes(ast: KeyframesAst, context: any): any;
    visitReference(ast: ReferenceAst, context: any): any;
    visitAnimateChild(ast: AnimateChildAst, context: any): any;
    visitAnimateRef(ast: AnimateRefAst, context: any): any;
    visitQuery(ast: QueryAst, context: any): any;
    visitStagger(ast: StaggerAst, context: any): any;
}
export interface Ast<T extends AnimationMetadataType> {
    type: T;
    options: AnimationOptions | null;
}
export interface TriggerAst extends Ast<AnimationMetadataType.Trigger> {
    type: AnimationMetadataType.Trigger;
    name: string;
    states: StateAst[];
    transitions: TransitionAst[];
    queryCount: number;
    depCount: number;
}
export interface StateAst extends Ast<AnimationMetadataType.State> {
    type: AnimationMetadataType.State;
    name: string;
    style: StyleAst;
}
export interface TransitionAst extends Ast<AnimationMetadataType.Transition> {
    matchers: ((fromState: string, toState: string) => boolean)[];
    animation: Ast<AnimationMetadataType>;
    queryCount: number;
    depCount: number;
}
export interface SequenceAst extends Ast<AnimationMetadataType.Sequence> {
    steps: Ast<AnimationMetadataType>[];
}
export interface GroupAst extends Ast<AnimationMetadataType.Group> {
    steps: Ast<AnimationMetadataType>[];
}
export interface AnimateAst extends Ast<AnimationMetadataType.Animate> {
    timings: TimingAst;
    style: StyleAst | KeyframesAst;
}
export interface StyleAst extends Ast<AnimationMetadataType.Style> {
    styles: (ɵStyleData | string)[];
    easing: string | null;
    offset: number | null;
    containsDynamicStyles: boolean;
    isEmptyStep?: boolean;
}
export interface KeyframesAst extends Ast<AnimationMetadataType.Keyframes> {
    styles: StyleAst[];
}
export interface ReferenceAst extends Ast<AnimationMetadataType.Reference> {
    animation: Ast<AnimationMetadataType>;
}
export interface AnimateChildAst extends Ast<AnimationMetadataType.AnimateChild> {
}
export interface AnimateRefAst extends Ast<AnimationMetadataType.AnimateRef> {
    animation: ReferenceAst;
}
export interface QueryAst extends Ast<AnimationMetadataType.Query> {
    selector: string;
    limit: number;
    optional: boolean;
    includeSelf: boolean;
    animation: Ast<AnimationMetadataType>;
    originalSelector: string;
}
export interface StaggerAst extends Ast<AnimationMetadataType.Stagger> {
    timings: AnimateTimings;
    animation: Ast<AnimationMetadataType>;
}
export interface TimingAst {
    duration: number;
    delay: number;
    easing: string | null;
    dynamic?: boolean;
}
export interface DynamicTimingAst extends TimingAst {
    strValue: string;
    dynamic: true;
}