/**
 * The small ESTree toolkit the source-docs extractor reads `parseAst` output
 * with: typed child access, string and identifier reads, decorators, and the
 * doc comment that belongs to a declaration.
 */
import { type JsDoc } from './jsdoc.js';
export type Node = Record<string, unknown> & {
    type: string;
    start: number;
    end: number;
};
export declare const nodes: (value: unknown) => Node[];
export declare const child: (node: Node | undefined, key: string) => Node | undefined;
export declare const nameOf: (node: Node | undefined) => string | undefined;
export declare const stringLiteral: (node: Node | undefined) => string | undefined;
/** Every node below `node`, depth first. */
export declare function walk(node: unknown): Generator<Node>;
export declare const put: <T extends object, K extends keyof T>(target: T, key: K, value: T[K] | undefined) => void;
/** The callee name of a decorator: `customElement` for `@customElement('x')`. */
export declare const decoratorCall: (decorator: Node) => {
    name: string | undefined;
    args: Node[];
};
export declare const findDecorator: (node: Node, name: string) => {
    name: string | undefined;
    args: Node[];
} | undefined;
/** The doc comment above a declaration, also tolerated between its decorators and it. */
export declare const docOf: (code: string, node: Node, wrapper?: Node) => JsDoc | undefined;
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