import * as t from '@babel/types';
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import { NodePath } from '@babel/traverse';
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import type { State } from './interface';
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import SlotFlags from './slotFlags';
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export declare const JSX_HELPER_KEY = "JSX_HELPER_KEY";
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export declare const FRAGMENT = "Fragment";
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export declare const KEEP_ALIVE = "KeepAlive";
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/**
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* create Identifier
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* @param path NodePath
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* @param state
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* @param name string
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* @returns MemberExpression
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*/
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export declare const createIdentifier: (state: State, name: string) => t.Identifier | t.MemberExpression;
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/**
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* Checks if string is describing a directive
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* @param src string
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*/
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export declare const isDirective: (src: string) => boolean;
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/**
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* Should transformed to slots
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* @param tag string
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* @returns boolean
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*/
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export declare const shouldTransformedToSlots: (tag: string) => boolean;
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/**
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* Check if a Node is a component
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*
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* @param t
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* @param path JSXOpeningElement
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* @returns boolean
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*/
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export declare const checkIsComponent: (path: NodePath<t.JSXOpeningElement>, state: State) => boolean;
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/**
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* Transform JSXMemberExpression to MemberExpression
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* @param path JSXMemberExpression
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* @returns MemberExpression
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*/
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export declare const transformJSXMemberExpression: (path: NodePath<t.JSXMemberExpression>) => t.MemberExpression;
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/**
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* Get tag (first attribute for h) from JSXOpeningElement
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* @param path JSXElement
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* @param state State
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* @returns Identifier | StringLiteral | MemberExpression | CallExpression
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*/
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export declare const getTag: (path: NodePath<t.JSXElement>, state: State) => t.Identifier | t.CallExpression | t.StringLiteral | t.MemberExpression;
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export declare const getJSXAttributeName: (path: NodePath<t.JSXAttribute>) => string;
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/**
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* Transform JSXText to StringLiteral
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* @param path JSXText
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* @returns StringLiteral | null
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*/
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export declare const transformJSXText: (path: NodePath<t.JSXText>) => t.StringLiteral | null;
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/**
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* Transform JSXExpressionContainer to Expression
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* @param path JSXExpressionContainer
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* @returns Expression
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*/
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export declare const transformJSXExpressionContainer: (path: NodePath<t.JSXExpressionContainer>) => (t.Expression);
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/**
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* Transform JSXSpreadChild
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* @param path JSXSpreadChild
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* @returns SpreadElement
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*/
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export declare const transformJSXSpreadChild: (path: NodePath<t.JSXSpreadChild>) => t.SpreadElement;
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export declare const walksScope: (path: NodePath, name: string, slotFlag: SlotFlags) => void;
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export declare const buildIIFE: (path: NodePath<t.JSXElement>, children: t.Expression[]) => t.Expression[];
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export declare const isOn: (key: string) => boolean;
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export declare const dedupeProperties: (properties?: t.ObjectProperty[], mergeProps?: boolean | undefined) => t.ObjectProperty[];
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/**
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* Check if an attribute value is constant
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* @param node
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* @returns boolean
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*/
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export declare const isConstant: (node: t.Expression | t.Identifier | t.Literal | t.SpreadElement | null) => boolean;
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export declare const transformJSXSpreadAttribute: (nodePath: NodePath, path: NodePath<t.JSXSpreadAttribute>, mergeProps: boolean, args: (t.ObjectProperty | t.Expression | t.SpreadElement)[]) => void;
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