proc `=destroy`(ctx: var LUContextObj) {....raises: [], raises: [], tags: [],
    forbids: [].}

proc capitalizeLU(s: string): string {....raises: [], tags: [], forbids: [].}

proc cmpRange(x: u32pair; y: uint32): int {....raises: [], tags: [], forbids: [].}

proc isAlpha(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isBidiControl(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isEnclosingMark(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isFormat(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isIDSOperator(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isMark(ctx: LUContext; u: uint32): bool {....raises: [], tags: [], forbids: [].}

proc isNonspacingMark(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isOther(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc isWhiteSpace(ctx: LUContext; u: uint32): bool {....raises: [], tags: [],
    forbids: [].}

proc mnormalize(s: var string) {....raises: [], tags: [], forbids: [].}

proc normalize(rs: openArray[uint32]; form = UNICODE_NFC): seq[uint32] {.
    ...raises: [], tags: [], forbids: [].}

proc toLowerLU(s: string): string {....raises: [], tags: [], forbids: [].}

proc toUpperLU(s: string): string {....raises: [], tags: [], forbids: [].}