import { type Node, Parsed, type Range, Repeatable, Repeated } from "../../../parser";
import { ScriptParser } from "./script-parser";
export type Scope = ProgramScope | TagScope;
export interface ProgramScope {
    parent: undefined;
    hoists: false;
    bindings: Bindings;
}
export interface TagScope {
    parent: Scope;
    hoists: boolean;
    bindings: undefined | Bindings;
}
export type Binding = VarBinding | ParamBinding | HoistedBinding;
export interface VarBinding {
    type: BindingType.var;
    name: string;
    node: Node.ParentNode;
    scope: Scope;
    hoisted: boolean;
    mutated: boolean;
    sourceName: string | undefined;
    objectPath: string | undefined;
}
export interface ParamBinding {
    type: BindingType.param;
    name: string;
    node: Node.ParentNode;
    scope: Scope;
    hoisted: false;
}
export interface HoistedBinding {
    type: BindingType.hoisted;
    scope: Scope;
    bindings: Repeated<VarBinding>;
    hoisted: false;
}
export declare enum BindingType {
    var = 0,
    param = 1,
    hoisted = 2
}
export interface Mutation {
    start: number;
    binding: VarBinding;
}
type Bindings = {
    [name: string]: Binding;
};
/**
 * Traverses the Marko tree and analyzes the bindings.
 */
export declare function crawlProgramScope(parsed: Parsed, ast: ScriptParser): [Mutation, ...Mutation[]] | [...Mutation[], Mutation] | undefined;
export declare function getProgramBindings(node: Node.Program): {
    all: Repeated<string>;
    vars: Repeatable<string>;
    hoists: Repeatable<string>;
} | undefined;
export declare function getMutatedVars(tag: Node.Tag): Repeatable<VarBinding>;
export declare function getHoistSources(body: Node.ParentNode["body"]): Repeatable<string>;
export declare function isMutatedVar(node: Node.ParentNode, name: string): boolean;
export declare function hasHoists(node: Node.Tag): boolean;
export declare function getBoundAttrRange(value: Node.AttrValue): {
    value: Range;
    types: undefined | Range;
    member: undefined | (Range & {
        computed: boolean;
    });
} | undefined;
export {};