import type { PathSpec } from '../../types.ts';
import { PatternType } from './constants.ts';
import { type FlagValue } from '../spec/types.ts';
export declare function classifyPattern(pattern: string, fixedString: boolean): PatternType;
export declare function extractRequiredLiteral(pattern: string): string | null;
export declare function searchQuery(pattern: string, fixedString: boolean): string | null;
export declare function isLiteralPattern(pattern: string, fixedString: boolean): boolean;
export declare function hasSearchShapingFlags(flags: Record<string, FlagValue>, honored?: readonly string[]): boolean;
export declare function searchPushdownOk(flags: Record<string, FlagValue>, pattern: string): boolean;
export declare function loneOperand(paths: PathSpec[]): PathSpec | null;
export declare function pushdownOperand(paths: PathSpec[], flags: Record<string, FlagValue>, pattern: string | null, honored?: readonly string[]): PathSpec | null;
export declare function literalPushdownOperand(paths: PathSpec[], flags: Record<string, FlagValue>, pattern: string | null): PathSpec | null;
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