import type { LanguageProfile } from "../../workflows/types.ts";
/** Operator-declared config language -> output extension and prompt label. */
export declare const LANGUAGE_PROFILES: Record<string, LanguageProfile>;
export declare function languageProfile(language: string): LanguageProfile;
/** File extension (with or without a leading dot) -> owning config language. */
export declare function languageForExtension(extension: string): string | undefined;
export interface LanguageDeclaration {
    language: string;
    extension: string;
}
/**
 * Resolve the first line of a `.human` file as either a code extension (`js`)
 * or a configured language name (`javascript`). Language names always select
 * their profile's canonical output extension, so a `javascript` declaration
 * creates `.js`, never `.javascript`.
 */
export declare function resolveLanguageDeclaration(value: string): LanguageDeclaration | undefined;
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