/**
 * Strict number parser. No locale guessing, no normalization.
 * Non-canonical forms (leading zeros, trailing dots, etc.) are accepted —
 * formatting to canonical form happens on blur/enter in the component.
 *
 * Input/output table (covers ~90% of real cases):
 *
 * | Input               | Result                          | Reason                          |
 * |---------------------|---------------------------------|---------------------------------|
 * | ""                  | {}                              | empty                           |
 * | "-"                 | {}                              | partial                         | apply blur/enter format
 * | "."                 | {}                              | partial                         | apply blur/enter format
 * | "-."                | {}                              | partial                         | apply blur/enter format
 * | "123."              | { value: 123 }                  | trailing dot                    | apply blur/enter format
 * | "1e"                | { value: 1 }                    | partial exp → 1e+0              | apply blur/enter format
 * | "1e-"               | { value: 1 }                    | partial exp → 1e-0              | apply blur/enter format
 * | "1e+"               | { value: 1 }                    | partial exp → 1e+0              | apply blur/enter format
 * | "123"               | { value: 123 }                  | exact match                     |
 * | "-5"                | { value: -5 }                   | exact match                     |
 * | "0.5"               | { value: 0.5 }                  | exact match                     |
 * | "0.0000000001"      | { value: 1e-10 }                | decimal form matches            |
 * | "1e-5"              | { value: 0.00001 }              | exponential notation            | apply blur/enter format
 * | "2e+10"             | { value: 2e10 }                 | exponential notation            | apply blur/enter format
 * | ".5"                | { value: 0.5 }                  | not canonical                   | apply blur/enter format
 * | "01"                | { value: 1 }                    | leading zero                    | apply blur/enter format
 * | "1.0"               | { value: 1 }                    | trailing zero                   | apply blur/enter format
 * | "1.10"              | { value: 1.1 }                  | trailing zero                   | apply blur/enter format
 * | "+5"                | { value: 5 }                    | unnecessary plus                | apply blur/enter format
 * | "1,5"               | { error: "...separator..." }    | comma instead of dot            |
 * | "1.232,111"         | { error: "...separator..." }    | EU locale format                |
 * | "1.237.62"          | { error: "...separator..." }    | multiple dots (EU thousands)    |
 * | "555.555.555,100"   | { error: "...separator..." }    | EU locale format                |
 * | "1,222,333.05"      | { error: "...separator..." }    | US locale format                |
 * | "abc"               | { error: "not a number" }       | letters                         |
 * | "12abc"             | { error: "not a number" }       | letters mixed in                |
 * | "1.237.asdf62"      | { error: "not a number" }       | letters mixed in                |
 * | "9007199254740993"  | { error: "precision..." }       | integer exceeds safe range      |
 * | "0.1234567890123456789" | { error: "precision..." }    | too many digits for float64     |
 */
export type ParseResult = {
    value: number;
    error?: undefined;
} | {
    value?: undefined;
    error: string;
} | {
    value?: undefined;
    error?: undefined;
};
export declare function tryParseNumber(str: string): ParseResult;
/**
 * Converts a number to a plain decimal string (no exponential notation).
 * E.g. 1e-7 → "0.0000001", 2e+21 → "2000000000000000000000"
 */
export declare function numberToDecimalString(n: number | undefined): string;
export declare function validateNumber(value: number, props: {
    minValue?: number;
    maxValue?: number;
    validate?: (v: number) => string | undefined;
}): string | undefined;
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