import type { CodeFragmentKind, CodeRoute, CodeSource, KnowledgeFragment } from "./types.js";
export type BraceLanguage = "java" | "apex" | "csharp" | "go" | "rust" | "php" | "c" | "cpp" | "kotlin";
export interface BraceCandidate {
    kind: CodeFragmentKind;
    symbol: string;
    qualifiedName: string;
    start: number;
    end: number;
    definition?: string;
    calls?: string[];
    references?: string[];
    routes?: CodeRoute[];
    configKeys?: string[];
    databaseRefs?: string[];
    isTest?: boolean;
}
export interface BraceExtractionContext {
    source: CodeSource;
    content: string;
    masked: string;
}
export interface BraceLanguageConfig {
    language: BraceLanguage;
    keywords: ReadonlySet<string>;
    caseInsensitiveKeywords?: boolean;
    lineCommentsAreDoc?: boolean;
    testPath(path: string): boolean;
    candidates(context: BraceExtractionContext): BraceCandidate[];
    imports(content: string, masked?: string): string[];
    importStatements?(content: string, masked: string): NonNullable<KnowledgeFragment["importStatements"]>;
    configKeys?(content: string): string[];
    databaseRefs?(content: string): string[];
}
export declare function unique(values: Iterable<string>): string[];
export declare function lineEnd(content: string, offset: number): number;
export declare function lineStart(content: string, offset: number): number;
export declare function lineNumberAt(content: string, offset: number): number;
export declare function definitionLine(content: string, start: number): string;
export declare function matchingBrace(masked: string, open: number): number;
export declare function braceDepthAt(masked: string, open: number, offset: number): number;
export declare function annotationTextBefore(content: string, start: number): string;
export declare function maskRangePreservingWidth(chars: string[], start: number, end: number): void;
export declare function maskBraceLanguage(content: string, language: BraceLanguage): string;
export declare function codeFragmentId(path: string, kind: CodeFragmentKind, qualifiedName: string, startLine: number): string;
export declare function extractBraceLanguage(source: CodeSource, config: BraceLanguageConfig): KnowledgeFragment[];
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