import type { ImportWithDeclaration } from "@observablehq/parser";
import type { ImportDeclaration, ImportSpecifier } from "acorn";
import type { Identifier } from "acorn";
import type { NamedImportSpecifier } from "../imports.js";
/** If specifier is an observable: protocol import, resolves it. */
export declare function resolveObservableImport(specifier: string): string;
export declare function isObservableImport(node: ImportDeclaration, specifier: string): boolean;
/** Note: mutates inputs! */
export declare function renderObservableImport(source: string, node: ImportDeclaration | ImportWithDeclaration, inputs: string[]): string;
export declare function toSpecialIdentifier(identifier: Identifier, type: "viewof" | "mutable"): Identifier;
export declare function toSpecialImportSpecifier(specifier: ImportSpecifier, type: "viewof" | "mutable"): ImportSpecifier;
export declare function isViewImport(node: NamedImportSpecifier): node is ImportSpecifier;
export declare function isMutableImport(node: NamedImportSpecifier): node is ImportSpecifier;
/** Turns e.g. "viewof$foo" into "viewof foo", and "$$" into "$". */
export declare function dedollar(input: string): string;