/** Original-source range returned from a masked-source pattern match. */
export interface SourceRange {
    end: number;
    start: number;
}
/**
 * Detects the dominant newline sequence, preferring the repository LF default
 * when a source contains equal numbers of CRLF and bare LF line endings.
 */
export declare function detectSourceLineEnding(source: string): '\n' | '\r\n';
/**
 * Masks TypeScript comments with spaces while preserving newlines and offsets.
 */
export declare function maskTypeScriptComments(source: string): string;
/**
 * Masks TypeScript comments and quoted/template literals with spaces while
 * preserving source offsets. This is a lightweight lexer for runtime checks,
 * not a full TypeScript parser, so template interpolation and regex/division
 * ambiguity are intentionally left to callers that need deeper syntax analysis.
 */
export declare function maskTypeScriptCommentsAndLiterals(source: string): string;
/**
 * Tests for a pattern after hiding comments and quoted/template literals.
 */
export declare function hasExecutablePattern(source: string, pattern: RegExp): boolean;
/**
 * Tests for a pattern after hiding comments while leaving literals intact.
 */
export declare function hasUncommentedPattern(source: string, pattern: RegExp): boolean;
/**
 * Finds the first masked-source match that maps back to the original source.
 */
export declare function findExecutablePatternMatch(source: string, patterns: readonly RegExp[]): SourceRange | undefined;
/**
 * Finds the first comment-masked match while retaining string literal content.
 *
 * This is useful for imports and path declarations whose patterns need to
 * inspect literal values without accepting a commented-out declaration.
 */
export declare function findUncommentedPatternMatch(source: string, patterns: readonly RegExp[]): SourceRange | undefined;