import type { SyntaxNode } from "../../../../infrastructure/parser/ts-utils.js";
import type { GoImportIndex } from "../../index/go/imports.js";
import type { GoPackageIndex } from "../../index/go/packages.js";
import type { RouterRecord } from "./router-record.js";
import type { RouterValue } from "./router-scope.js";
export type CalleeDeclaration = {
    readonly declaration: SyntaxNode;
    readonly relPath: string;
    readonly directory: string;
    readonly imports: GoImportIndex;
};
export type CalleeLookup = {
    readonly imports: GoImportIndex;
    readonly directory: string;
    readonly packages: GoPackageIndex;
    /** The declaration the call sits in, for reading a receiver's type. */
    readonly scope: SyntaxNode;
};
export type GoParameter = {
    readonly name: string;
    readonly type: string;
};
/**
 * Positional parameters in declaration order. Go lets one declaration name
 * several parameters of one type, and each of them is its own position.
 */
export declare function parametersOf(declaration: SyntaxNode): readonly GoParameter[];
/** A stable key for the router values and records a call seeds a body with. */
export declare function seedSignature(seeds: readonly {
    readonly index: number;
    readonly value: RouterValue | null;
    readonly record: RouterRecord | null;
}[]): string;
/**
 * The declaration a call names, resolved structurally: a function of this
 * package, a function of an imported one, or a method on a receiver whose
 * declared type the enclosing declaration fixes.
 */
export declare function calleeOf(call: SyntaxNode, lookup: CalleeLookup): CalleeDeclaration | null;